°Ëϲµç×ÓÊé > ¾­¹ÜÆäËûµç×ÓÊé > north american species of cactus(±±ÃÀÏÉÈËÕÆ) >

µÚ3²¿·Ö

north american species of cactus(±±ÃÀÏÉÈËÕÆ)-µÚ3²¿·Ö

С˵£º north american species of cactus(±±ÃÀÏÉÈËÕÆ) ×ÖÊý£º ÿҳ4000×Ö

°´¼üÅÌÉÏ·½Ïò¼ü ¡û »ò ¡ú ¿É¿ìËÙÉÏÏ·­Ò³£¬°´¼üÅÌÉ쵀 Enter ¼ü¿É»Øµ½±¾ÊéĿ¼ҳ£¬°´¼üÅÌÉÏ·½Ïò¼ü ¡ü ¿É»Øµ½±¾Ò³¶¥²¿£¡
¡ª¡ª¡ª¡ªÎ´ÔĶÁÍꣿ¼ÓÈëÊéÇ©ÒѱãÏ´μÌÐøÔĶÁ£¡




¡¡¡¡¡¡¡¡¡¡Throughout¡¡southern¡¡Texas¡¡and¡¡southern¡¡New¡¡Mexico£»¡¡and¡¡southward£»¡¡

not¡¡¡¡¡¡extending¡¡¡¡¡¡so¡¡¡¡¡¡far¡¡¡¡¡¡north¡¡¡¡¡¡or¡¡¡¡¡¡west¡¡¡¡¡¡as¡¡¡¡¡¡the¡¡¡¡¡¡species£»¡¡¡¡and¡¡¡¡¡¡apparently¡¡¡¡not¡¡¡¡¡¡so¡¡

abundant¡¡within¡¡the¡¡United¡¡States¡£Fl¡£¡¡May¡£¡¡

¡¡¡¡¡¡¡¡¡¡Specimens¡¡examined£º¡¡Texas£¨Schott¡¡322£»¡¡614£©£º¡¡New¡¡Mexico¡¡£¨Evans¡¡of¡¡

1891£©£º¡¡also¡¡specimens¡¡cultivated¡¡in¡¡the¡¡Goebel¡¡Garden£»¡¡St¡£¡¡Louis£»¡¡in¡¡1847£»¡¡

brought¡¡¡¡¡¡from¡¡¡¡¡¡¡¨below¡¡¡¡¡¡Matamoras¡¡¡¡¡¡on¡¡¡¡¡¡the¡¡¡¡¡¡Rio¡¡¡¡¡¡Grande¡¨¡¡¡¡¡¡by¡¡¡¡¡¡the¡¡¡¡¡¡St¡£¡¡¡¡¡¡Louis¡¡

Volunteers£»¡¡in¡¡1816¡£¡¡

¡¡¡¡¡¡¡¡¡¡On¡¡¡¡¡¡account¡¡¡¡¡¡of¡¡¡¡¡¡its¡¡¡¡¡¡convex¡¡¡¡¡¡top¡¡¡¡¡¡the¡¡¡¡¡¡variety¡¡¡¡¡¡becomes¡¡¡¡¡¡somewhat¡¡¡¡¡¡higher¡¡

than¡¡¡¡¡¡the¡¡¡¡¡¡species¡¡¡¡¡¡£¨5¡¡¡¡¡¡to¡¡¡¡¡¡7¡£5¡¡¡¡¡¡cm¡££©£»¡¡¡¡¡¡and¡¡¡¡¡¡the¡¡¡¡¡¡flowers¡¡¡¡¡¡are¡¡¡¡¡¡sometimes¡¡¡¡¡¡slightly¡¡

longer¡¡£¨2¡¡to¡¡3¡¡cm¡££©¡£¡¡

¡¡¡¡¡¡¡¡¡¡7¡£Cactus¡¡meiacanthus¡¡£¨Engelm¡££©¡¡Kuntze£»¡¡Rev¡£¡¡Gen¡£¡¡Pl¡£¡¡260¡¡£¨1891£©¡£¡¡

¡¡¡¡¡¡¡¡¡¡Mamillaria¡¡meiacanthaEngelm¡£¡¡Syn¡£¡¡Cact¡£¡¡263¡¡£¨1856£©¡¡

¡¡¡¡¡¡¡¡¡¡Hemispherical¡¡or¡¡with¡¡depressed¡¡vertex£»¡¡7¡£5¡¡to¡¡12¡£5¡¡cm¡£¡¡in¡¡diameter£»¡¡

with¡¡a¡¡broad¡¡top¡­shaped¡¡base£º¡¡tubercles¡¡compressed£»¡¡14¡¡to¡¡18¡¡mm¡£¡¡long£º¡¡

radial¡¡spines¡¡5¡¡to¡¡9¡¡£¨usually¡¡about¡¡6£©£»¡¡stout¡¡and¡¡strongly¡¡subulate£»¡¡6¡¡to¡¡10¡¡

mm¡£¡¡¡¡¡¡long£»¡¡¡¡¡¡straight¡¡¡¡¡¡or¡¡¡¡¡¡somewhat¡¡¡¡¡¡curved£»¡¡¡¡¡¡whitish¡¡¡¡¡¡or¡¡¡¡¡¡yellowish£»¡¡¡¡¡¡the¡¡¡¡¡¡lower¡¡

mostly¡¡¡¡¡¡a¡¡¡¡¡¡little¡¡¡¡¡¡longer£»¡¡¡¡¡¡the¡¡¡¡¡¡upper¡¡¡¡¡¡one¡¡¡¡¡¡sometimes¡¡¡¡¡¡wanting£»¡¡¡¡¡¡central¡¡¡¡¡¡spine¡¡

shorter¡¡and¡¡stout£»¡¡darker£»¡¡straight£»¡¡and¡¡porrect£»¡¡turned¡¡upwards¡¡among¡¡the¡¡

radials£»¡¡or¡¡rarely¡¡wanting£º¡¡flowers¡¡2¡£5¡¡to¡¡3¡¡cm¡£¡¡long£»¡¡reddish¡­white£º¡¡fruit¡¡

incurved£»¡¡¡¡¡¡2¡¡¡¡¡¡to¡¡¡¡¡¡3¡¡¡¡¡¡cm¡£¡¡¡¡¡¡long¡££¨Ill¡£¡¡¡¡¡¡Cact¡£¡¡¡¡¡¡Mex¡£¡¡¡¡¡¡Bound¡£¡¡¡¡¡¡t¡£¡¡¡¡¡¡9£»¡¡¡¡¡¡figs¡£1¡­3£©¡£Type¡¡

specimens¡¡¡¡¡¡are¡¡¡¡¡¡those¡¡¡¡¡¡of¡¡¡¡¡¡the¡¡¡¡¡¡collections¡¡¡¡¡¡of¡¡¡¡¡¡1847£»¡¡¡¡¡¡1851£»¡¡¡¡¡¡1852£»¡¡¡¡¡¡and¡¡¡¡¡¡1853£»¡¡

from¡¡¡¡¡¡which¡¡¡¡¡¡the¡¡¡¡¡¡original¡¡¡¡¡¡description¡¡¡¡¡¡was¡¡¡¡¡¡drawn¡¡¡¡¡¡and¡¡¡¡¡¡all¡¡¡¡¡¡of¡¡¡¡¡¡which¡¡¡¡¡¡are¡¡¡¡¡¡in¡¡



¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡9¡¡


¡­¡¡Page¡¡10¡­

¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡North¡¡American¡¡Species¡¡of¡¡Cactus¡¡



Herb¡£¡¡Mo¡£¡¡Bot¡£¡¡Gard¡£¡¡

¡¡¡¡¡¡¡¡¡¡From¡¡¡¡¡¡the¡¡¡¡¡¡Guadalupe¡¡¡¡¡¡River£»¡¡¡¡¡¡Texas£»¡¡¡¡¡¡to¡¡¡¡¡¡the¡¡¡¡¡¡¡¨Great¡¡¡¡¡¡Bend¡¨¡¡¡¡¡¡of¡¡¡¡¡¡the¡¡¡¡¡¡Rio¡¡

Grande£»¡¡westward¡¡through¡¡western¡¡Texas¡¡and¡¡New¡¡Mexico£»¡¡also¡¡northern¡¡

Mexico¡¡£¨Hemsley£©£»¡¡Fl¡£May£»¡¡June¡£¡¡

¡¡¡¡¡¡¡¡¡¡Specimens¡¡examined£º¡¡Texas¡¡£¨Wright¡¡of¡¡1851£»¡¡1852£»¡¡Bigelow¡¡of¡¡1853£©£º¡¡

New¡¡Mexico¡¡£¨¡¨Missouri¡¡Volunteers¡¨¡¡of¡¡1847£»¡¡unknown¡¡collector¡¡in¡¡1880£©£»¡¡

also¡¡specimens¡¡cultivated¡¡in¡¡St¡£¡¡Louis¡¡in¡¡1853£»¡¡and¡¡others¡¡growing¡¡in¡¡Mo¡£¡¡

Bot¡£¡¡Gard¡£¡¡1893¡£¡¡

¡¡¡¡¡¡¡¡¡¡Dr¡£¡¡Engelmann¡¡regarded¡¡this¡¡species¡¡as¡¡possibly¡¡only¡¡a¡¡variety¡¡of¡¡C¡£¡¡

heyderi£»¡¡¡¡¡¡¡¡¡¡to¡¡¡¡¡¡which¡¡¡¡¡¡¡¡¡¡it¡¡¡¡is¡¡¡¡certainly¡¡¡¡¡¡¡¡very¡¡¡¡¡¡¡¡closely¡¡¡¡¡¡¡¡allied¡¡¡¡¡¡through¡¡¡¡¡¡¡¡var¡£¡¡

hemisphaerica£»¡¡but¡¡¡¡¡¡the¡¡different¡¡tubercles¡¡and¡¡¡¡¡¡fewer¡¡stouter¡¡¡¡spines¡¡¡¡serve¡¡

so¡¡well¡¡to¡¡distinguish¡¡it¡¡that¡¡it¡¡seems¡¡best¡¡to¡¡retain¡¡its¡¡specific¡¡rank¡£¡¡

¡¡¡¡¡¡¡¡¡¡In¡¡reference¡¡to¡¡the¡¡citation¡¡of¡¡the¡¡original¡¡description¡¡an¡¡explanation¡¡

seems¡¡necessary£»¡¡which¡¡will¡¡apply¡¡to¡¡numerous¡¡similar¡¡cases¡£The¡¡Pacif¡£¡¡R¡£¡¡

Rep¡£¡¡iv¡£¡¡27¡¡£¨1856£©£»¡¡Syn¡£¡¡Cact¡£¡¡263¡¡£¨1858£©£»¡¡and¡¡Cact¡£¡¡Mex¡£¡¡Bound¡£¡¡9¡¡£¨1859£©£»¡¡

have¡¡each¡¡been¡¡cited¡¡as¡¡the¡¡original¡¡publication¡£The¡¡confusion¡¡has¡¡arisen¡¡

from¡¡the¡¡fact¡¡that¡¡in¡¡both¡¡the¡¡publications¡¡of¡¡1856¡¡the¡¡description¡¡in¡¡the¡¡

Rep¡£¡¡¡¡¡¡Mex¡£¡¡¡¡¡¡Bound¡£¡¡¡¡¡¡is¡¡¡¡¡¡referred¡¡¡¡¡¡to£»¡¡¡¡¡¡and¡¡¡¡¡¡in¡¡¡¡¡¡that¡¡¡¡¡¡report¡¡¡¡¡¡the¡¡¡¡¡¡plant¡¡¡¡¡¡is¡¡¡¡¡¡fully¡¡

described¡¡as¡¡¡¨sp¡£¡¡¡¡nov¡£¡¨However£»¡¡the¡¡¡¡¡¡publication¡¡of¡¡¡¡¡¡the¡¡Boundary¡¡¡¡Report¡¡

was¡¡long¡¡delayed¡¡on¡¡account¡¡of¡¡the¡¡preparation¡¡of¡¡the¡¡plates£»¡¡and¡¡in¡¡the¡¡

meantime¡¡¡¡¡¡both¡¡¡¡¡¡the¡¡¡¡¡¡publications¡¡¡¡¡¡of¡¡¡¡¡¡1856¡¡¡¡¡¡had¡¡¡¡¡¡appeared£»¡¡¡¡¡¡in¡¡¡¡¡¡each¡¡¡¡¡¡one¡¡¡¡¡¡of¡¡

which¡¡¡¡¡¡the¡¡¡¡¡¡species¡¡¡¡¡¡is¡¡¡¡¡¡distinctly¡¡¡¡¡¡characterized¡¡¡¡¡¡and¡¡¡¡¡¡reference¡¡¡¡¡¡made¡¡¡¡¡¡to¡¡¡¡¡¡the¡¡

description¡¡¡¡¡¡¡¡¡¡in¡¡¡¡the¡¡¡¡¡¡forthcoming¡¡¡¡¡¡¡¡¡¡Boundary¡¡¡¡¡¡Report¡£¡¡¡¡¡¡As¡¡¡¡¡¡between¡¡¡¡¡¡the¡¡¡¡¡¡¡¡¡¡¡¡¡¡two¡¡

publications¡¡¡¡¡¡¡¡¡¡¡¡of¡¡¡¡1856¡¡¡¡¡¡¡¡the¡¡¡¡Syn¡£¡¡¡¡¡¡Cact¡£¡¡¡¡¡¡£¨Proc¡£¡¡¡¡¡¡Amer¡£¡¡¡¡¡¡¡¡¡¡Acad¡£iii¡£¡¡¡¡¡¡259£©¡¡¡¡¡¡was¡¡

evidently¡¡distributed¡¡first¡£¡¡

¡¡¡¡¡¡¡¡¡¡¡¡8¡£Cactus¡¡gummiferus¡¡£¨Engelm¡££©¡¡Kuntze¡£¡¡Rev¡£¡¡Gen¡£¡¡Pl¡£¡¡260¡¡£¨1891£©¡£¡¡

¡¡¡¡¡¡¡¡¡¡Mamillaria¡¡gummiferaEngelm¡£¡¡Wisliz¡£¡¡Rep¡£¡¡21¡¡£¨1848£©¡£¡¡

¡¡¡¡¡¡¡¡¡¡Hemispherical£»¡¡7¡£5¡¡to¡¡12¡£5¡¡cm¡£¡¡broad¡¡and¡¡6¡¡to¡¡10¡¡cm¡£¡¡high£º¡¡tubercles¡¡

12¡¡to¡¡15¡¡mm¡£¡¡long£º¡¡radial¡¡spines¡¡10¡¡to¡¡12£»¡¡the¡¡lower¡¡stout£»¡¡with¡¡dusky¡¡apex£»¡¡

12¡¡to¡¡15¡¡mm¡£¡¡long£»¡¡twice¡¡or¡¡thrice¡¡as¡¡long¡¡as¡¡the¡¡whitish¡¡setaceous¡¡upper¡¡

ones£»¡¡¡¡¡¡central¡¡spine¡¡¡¡¡¡£¨sometimes¡¡¡¡¡¡two£©¡¡shorter¡¡¡¡¡¡£¨about¡¡¡¡¡¡4¡¡¡¡¡¡mm¡££©£»¡¡¡¡¡¡stout£»¡¡¡¡¡¡dusky¡¡

and¡¡porrect£º¡¡flowers¡¡3¡¡cm¡£¡¡long£»¡¡reddish¡­white£»¡¡brownish¡­red¡¡outside£º¡¡fruit¡¡

unknown¡£¡¡£¨Ill¡£¡¡Cact¡£¡¡Mex¡£¡¡Bound¡£¡¡t¡£¡¡9¡£¡¡figs¡£¡¡18¡­20£©Type¡¡probably¡¡lost£»¡¡as¡¡

no¡¡specimens¡¡could¡¡be¡¡found¡¡in¡¡the¡¡Engelmann¡¡Herbarium¡£¡¡



¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡10¡¡


¡­¡¡Page¡¡11¡­

¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡North¡¡American¡¡Species¡¡of¡¡Cactus¡¡



¡¡¡¡¡¡¡¡¡¡Chihuahua£»¡¡near¡¡Cosihuiriachi¡£¡¡

¡¡¡¡¡¡¡¡¡¡So¡¡far¡¡as¡¡can¡¡be¡¡discovered£»¡¡this¡¡species¡¡has¡¡not¡¡been¡¡collected¡¡since¡¡

the¡¡original¡¡Wislizenus¡¡¡¡¡¡collection¡¡¡¡¡¡of¡¡¡¡¡¡1846¡­47¡£The¡¡¡¡¡¡plants¡¡¡¡¡¡were¡¡¡¡¡¡cultivated¡¡

by¡¡Dr¡£¡¡Engelmann¡¡and¡¡made¡¡to¡¡bloom£»¡¡showing¡¡the¡¡flowers¡¡to¡¡be¡¡larger¡¡

and¡¡darker¡¡colored¡¡than¡¡in¡¡the¡¡rest¡¡of¡¡the¡¡group£»¡¡from¡¡which¡¡the¡¡species¡¡

also¡¡differs¡¡in¡¡its¡¡more¡¡robust¡¡habit£»¡¡its¡¡very¡¡unequal¡¡radial¡¡spines£»¡¡and¡¡the¡¡

occasional¡¡occurrence¡¡of¡¡two¡¡centrals¡£¡¡

¡¡¡¡¡¡¡¡¡¡**¡¡Central¡¡spine¡¡hooked¡£¡¡

¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡9¡£Cactus¡¡uncinatus¡¡£¨Zucc£©¡¡Kuntze£»¡¡Rev¡£¡¡Gen¡£¡¡Pl¡£¡¡261¡¡£¨1591£©¡£¡¡

¡¡¡¡¡¡¡¡¡¡Mamillaria¡¡¡¡¡¡¡¡¡¡¡¡uncinataZucc¡£¡¡¡¡¡¡¡¡¡¡¡¡in¡¡¡¡Pfeiff¡£¡¡¡¡Enum¡£¡¡¡¡¡¡¡¡¡¡34¡¡¡¡¡¡£¨1837£©¡£¡¡¡¡¡¡Mamillaria¡¡

bihamataPfeiff¡£¡¡¡¡¡¡¡¡¡¡¡¡¡¡in¡¡¡¡Otto¡¡¡¡¡¡and¡¡¡¡¡¡¡¡Deitr¡£¡¡¡¡¡¡Gart¡£¡¡¡¡¡¡vi¡£¡¡¡¡274¡¡¡¡¡¡£¨1840£©¡¡¡¡¡¡¡¡Mamillaria¡¡

aduncaScheidw¡£¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡£¨1845¡­1849£¿£©¡£Mamillaria¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡depressaScheidw¡£¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡£¨1845¡­¡¡

1849£¿£©¡£¡¡

¡¡¡¡¡¡¡¡¡¡Usually¡¡globose¡¡£¨occasionally¡¡depressed¡¡or¡¡even¡¡subcolumnar£©£»¡¡5¡¡to¡¡6¡¡

cm¡£¡¡in¡¡diameter¡¡£¨doubtless¡¡becoming¡¡larger£©£º¡¡tubercles¡¡8¡¡to¡¡10¡¡mm¡£¡¡long£»¡¡

woolly¡¡in¡¡the¡¡upper¡¡axils£º¡¡radial¡¡spines¡¡4¡¡to¡¡6£»¡¡rigid£»¡¡4¡¡to¡¡6¡¡mm¡£¡¡long£»¡¡the¡¡

upper¡¡one¡¡stouter¡¡than¡¡the¡¡rest¡¡and¡¡sometimes¡¡shorter£»¡¡reddish¡­brown¡¡and¡¡

horny£»¡¡¡¡¡¡straight¡¡¡¡¡¡or¡¡¡¡¡¡slightly¡¡¡¡¡¡curved£»¡¡¡¡¡¡the¡¡¡¡¡¡remainder¡¡¡¡¡¡straight¡¡¡¡¡¡and¡¡¡¡¡¡white¡¡¡¡¡¡with¡¡

dusky¡¡tips£»¡¡central¡¡spine¡¡stout¡¡and¡¡horny£»¡¡reddish¡­brown£»¡¡7¡¡to¡¡10¡¡mm¡£long£º¡¡

flowers¡¡greenish¡­white¡¡or¡¡tinged¡¡with¡¡red£º¡¡fruit¡¡unknown¡¡Type¡¡unknown¡£¡¡

¡¡¡¡¡¡¡¡¡¡Entirely¡¡Mexican£»¡¡reported¡¡from¡¡Chihuahua¡¡to¡¡Saint¡¡Luis¡¡Potosi¡£¡¡

¡¡¡¡¡¡¡¡¡¡Specimens¡¡¡¡¡¡examined£º¡¡¡¡¡¡San¡¡¡¡¡¡Luis¡¡¡¡¡¡Potosi¡¡¡¡¡¡£¨Gregg¡¡¡¡¡¡of¡¡¡¡¡¡1848£»¡¡¡¡¡¡Parry¡¡¡¡¡¡268£»¡¡

Eschanzier¡¡of¡¡1891£©£º¡¡Chihuahua¡¡£¨Wislizenus¡¡of¡¡1846¡­47£»¡¡also¡¡Chihuahua¡¡

specimens¡¡cultivated¡¡in¡¡the¡¡Jacoby¡¡Garden¡¡in¡¡1856¡¡and¡¡1857£©¡£¡¡

¡¡¡¡¡¡¡¡¡¡The¡¡variations¡¡observed¡¡in¡¡this¡¡species¡¡do¡¡not¡¡seem¡¡sufficient¡¡for¡¡the¡¡

establishment¡¡of¡¡varieties¡£The¡¡type¡¡form¡¡seems¡¡to¡¡have¡¡been¡¡globose£»¡¡with¡¡

4¡¡radial¡¡spines¡¡and¡¡a¡¡stout¡¡central¡¡one¡£The¡¡depressed¡¡forms¡¡with¡¡6¡¡radials¡¡

and¡¡¡¡¡¡a¡¡¡¡¡¡more¡¡¡¡¡¡slender¡¡¡¡¡¡central¡¡¡¡¡¡represent¡¡¡¡¡¡var¡£¡¡¡¡¡¡spinosior¡¡¡¡¡¡Lem¡£¡¡¡¡¡¡£¨M¡£¡¡¡¡¡¡depressa¡¡

Scheidw¡££©£»¡¡¡¡¡¡and¡¡¡¡¡¡the¡¡¡¡¡¡subcolumnar¡¡¡¡¡¡forms¡¡¡¡¡¡with¡¡¡¡¡¡6¡¡¡¡¡¡radials¡¡¡¡¡¡£¨the¡¡¡¡¡¡upper¡¡¡¡¡¡one¡¡¡¡¡¡of¡¡

which¡¡is¡¡somewhat¡¡curved£©¡¡and¡¡a¡¡stout¡¡strongly¡¡hooked¡¡central¡¡represent¡¡

var¡¡biuncinata¡¡Lem¡£¡¡£¨M¡£¡¡bihamata¡¡Pfeiff¡££©Such¡¡combinations¡¡of¡¡characters£»¡¡

however£»¡¡do¡¡not¡¡hold£»¡¡as¡¡any¡¡one¡¡of¡¡the¡¡plant¡¡body¡¡forms¡¡may¡¡display¡¡any¡¡

one¡¡of¡¡the¡¡spine¡¡characters¡¡referred¡¡to¡£¡¡

¡¡¡¡¡¡¡¡¡¡B¡£¡¡Tubercles¡¡terete¡£¡¡



¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡11¡¡


¡­¡¡Page¡¡12¡­

¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡North¡¡American¡¡Species¡¡of¡¡Cactus¡¡



¡¡¡¡¡¡¡¡¡¡*¡¡¡¡¡¡Central¡¡¡¡¡¡¡¡spines¡¡¡¡¡¡none£º¡¡¡¡¡¡¡¡mostly¡¡¡¡¡¡¡¡simple¡¡¡¡¡¡¡¡globose¡¡¡¡¡¡¡¡plants£»¡¡¡¡¡¡with¡¡¡¡¡¡¡¡very¡¡

numerous¡¡straight¡¡whitish¡¡setaceous¡¡radials¡£¡¡

¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡10¡£¡¡Cactus¡¡lasiacanthus¡¡£¨Engelm¡££©¡¡Kuntze£»¡¡Rev¡£¡¡Gen¡£¡¡Pl¡£¡¡259¡¡

¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡£¨1891£©¡£¡¡

¡¡¡¡¡¡¡¡¡¡Mamillaria¡¡lasiacanthaEngelm¡£¡¡Syn¡£¡¡Cact¡£¡¡261¡¡£¨1856£©¡£¡¡

¡¡¡¡¡¡¡¡¡¡Globose¡¡¡¡¡¡or¡¡¡¡¡¡ovate¡¡¡¡¡¡globose£»¡¡¡¡¡¡2¡¡¡¡¡¡to¡¡¡¡¡¡2¡£5¡¡¡¡¡¡cm¡£¡¡¡¡¡¡high¡¡¡¡¡¡and¡¡¡¡¡¡1¡¡¡¡¡¡to¡¡¡¡¡¡2¡¡¡¡¡¡cm¡£¡¡¡¡¡¡broad£º¡¡

tubercles¡¡4¡¡mm¡£¡¡long£»¡¡about¡¡2¡¡mm¡£¡¡in¡¡diameter£»¡¡with¡¡naked¡¡axils£º¡¡spines¡¡

40¡¡to¡¡60£»¡¡in¡¡many¡¡series£»¡¡very¡¡unequal£»¡¡2¡¡to¡¡4¡¡mm£»¡¡long£»¡¡white¡¡and¡¡pilose£»¡¡

the¡¡upper¡¡exterior¡¡usually¡¡longer¡¡than¡¡the¡¡rest£»¡¡the¡¡innermost¡¡usually¡¡much¡¡

shorter£º¡¡flowers¡¡12¡¡mm¡£¡¡long£»¡¡whitish¡¡or¡¡pinkish¡¡£¨petals¡¡with¡¡red¡¡median¡¡

band£©£º¡¡¡¡¡¡¡¡fruit¡¡¡¡1¡¡¡¡to¡¡¡¡2¡¡¡¡cm¡£¡¡¡¡¡¡long£º¡¡¡¡¡¡seeds¡¡¡¡¡¡about¡¡¡¡¡¡¡¡1¡¡¡¡mm¡£¡¡¡¡¡¡¡¡long£»¡¡¡¡¡¡blackish¡¡¡¡¡¡and¡¡

conspicuously¡¡pitted¡£¡¡£¨Ill¡£¡¡Cact¡£¡¡Mex¡£¡¡Bound¡£¡¡t¡£¡¡3£©¡£Type£»¡¡the¡¡specimens¡¡of¡¡

Wright¡¡in¡¡Herb¡£¡¡Mo¡£¡¡Bot¡£¡¡Gard¡£¡¡

¡¡¡¡¡¡¡¡¡¡From¡¡¡¡¡¡western¡¡¡¡¡¡Texas¡¡¡¡¡¡£¨¡¨west¡¡¡¡¡¡of¡¡¡¡¡¡time¡¡¡¡¡¡Pecos£»¡¡¡¡¡¡on¡¡¡¡¡¡low¡¡¡¡¡¡limestone¡¡¡¡¡¡hills£»¡¡

among¡¡herbage¡¨£©¡¡to¡¡Arizona¡¡and¡¡Chihuahua¡£Fl¡£¡¡April£»¡¡May¡£¡¡

¡¡¡¡¡¡¡¡¡¡Specimens¡¡examined£º¡¡Texas¡¡£¨Wright¡¡121£»¡¡also¡¡of¡¡1852£»¡¡Parry¡¡of¡¡1852£©£º¡¡

Arizona¡¡¡¡¡¡¡¡¡¡¡¡£¨Miller¡¡¡¡¡¡¡¡of¡¡¡¡1881£©£º¡¡¡¡¡¡¡¡Chihuahua¡¡¡¡¡¡¡¡¡¡¡¡¡¡£¨Pringle¡¡¡¡¡¡¡¡213£»¡¡¡¡¡¡250£»258£©£º¡¡¡¡¡¡¡¡¡¡also¡¡

specimens¡¡cultivated¡¡in¡¡St¡£¡¡Louis¡¡in¡¡1852¡¡and¡¡1855¡£¡¡

¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡11¡£¡¡Cactus¡¡lasiacanthus¡¡denudatus¡¡£¨Engelm¡££©¡£¡¡

¡¡¡¡¡¡¡¡¡¡Mamillaria¡¡lasiacantha¡¡denudataEngelm¡£¡¡Cact¡£¡¡Mex¡£¡¡Bound¡£¡¡5¡¡£¨1859£©¡£¡¡

¡¡¡¡¡¡¡¡¡¡Larger£»¡¡2¡£5¡¡to¡¡3¡£5¡¡cm¡£¡¡in¡¡diameter£»¡¡with¡¡longer¡¡tubercles¡¡£¨5¡¡to¡¡6¡¡mm¡££©£»¡¡

and¡¡¡¡¡¡more¡¡¡¡¡¡numerous¡¡¡¡¡¡£¨50¡¡¡¡¡¡to¡¡¡¡¡¡80£©¡¡¡¡¡¡longer¡¡¡¡¡¡£¨3¡¡¡¡¡¡to¡¡¡¡¡¡5¡¡¡¡¡¡mum¡££©¡¡¡¡¡¡spines¡¡¡¡¡¡which¡¡¡¡¡¡are¡¡

naked¡¡or¡¡nearly¡¡so¡£¡¡£¨Ill¡£¡¡Cact¡£¡¡Mex¡£¡¡Bound¡£¡¡t¡£¡¡4£©Type£»¡¡Wright¡¡specimen¡¡in¡¡

Herb¡£¡¡Mo¡£¡¡Bot¡£¡¡Gard¡£¡¡

¡¡¡¡¡¡¡¡¡¡From¡¡western¡¡Texas¡¡£¨with¡¡the¡¡species£©¡¡to¡¡Coahuila¡£¡¡

¡¡¡¡¡¡¡¡¡¡Specimens¡¡¡¡¡¡examined£º¡¡¡¡¡¡Texas¡¡¡¡¡¡£¨Wright¡¡¡¡¡¡of¡¡¡¡¡¡1852£©£º¡¡¡¡¡¡Coahuila¡¡¡¡¡¡£¨Palmer¡¡¡¡¡¡of¡¡

1880£©¡£¡¡

¡¡¡¡¡¡¡¡¡¡In¡¡the¡¡Syn¡£¡¡Cact¡£¡¡Dr¡£¡¡Engelmann¡¡merges¡¡this¡¡variety¡¡with¡¡the¡¡species£»¡¡

and¡¡¡¡¡¡has¡¡¡¡¡¡been¡¡¡¡¡¡followed¡¡¡¡¡¡in¡¡¡¡¡¡this¡¡¡¡¡¡by¡¡¡¡¡¡subsequent¡¡¡¡¡¡writers£»¡¡¡¡¡¡but¡¡¡¡¡¡the¡¡¡¡¡¡characters¡¡

seem¡¡so¡¡£¨distinctive¡¡that¡¡its¡¡varietal¡¡rank¡¡has¡¡been¡¡restored¡£¡¡

¡¡¡¡¡¡¡¡¡¡12¡£¡¡Cactus¡¡micromeris¡¡£¨Engelm¡££©¡¡Kuntze£»¡¡Rev¡£¡¡Gen¡£¡¡Pl¡£¡¡260¡¡£¨1891£©¡£¡¡

¡¡¡¡¡¡¡¡¡¡Mamillaria¡¡micromerisEngelm¡£¡¡Syn¡£¡¡Cact¡£¡¡260¡¡£¨1856£©¡£¡¡

¡¡¡¡¡¡¡¡¡¡With¡¡depressed¡¡top¡¡and¡¡very¡¡rarely¡¡branching£»¡¡1¡¡to¡¡3¡£5¡¡cm¡£¡¡in¡¡diameter£º¡¡

tubercles¡¡very¡¡small¡¡£¨about¡¡1¡¡mm¡£¡¡long£©¡¡and¡¡wart¡­like£»¡¡crowded£»¡¡shedding¡¡



¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡12¡¡


¡­¡¡Page¡¡13¡­

¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡North¡¡American¡¡Species¡¡of¡¡Cactus¡¡



the¡¡¡¡¡¡¡¡spines¡¡¡¡¡¡with¡¡¡¡¡¡age¡¡¡¡¡¡¡¡and¡¡¡¡¡¡giving¡¡¡¡¡¡¡¡the¡¡¡¡base¡¡¡¡¡¡of¡¡¡¡¡¡the¡¡¡¡plant¡¡¡¡¡¡a¡¡¡¡tuberculated¡¡

appearance£º¡¡¡¡¡¡spines¡¡¡¡¡¡from¡¡¡¡¡¡white¡¡¡¡¡¡to¡¡¡¡¡¡ashy¡­gray£»¡¡¡¡¡¡1¡¡¡¡¡¡to¡¡¡¡¡¡3¡¡¡¡¡¡mm¡£¡¡¡¡¡¡long£»¡¡¡¡¡¡in¡¡¡¡¡¡young¡¡

plants¡¡and¡¡on¡¡lower¡¡tubercles¡¡of¡¡adult¡¡plants¡¡about¡¡20£»¡¡equal¡¡and¡¡radiant£»¡¡

on¡¡¡¡¡¡flower¡­bearing¡¡¡¡¡¡tubercles¡¡¡¡¡¡30¡¡¡¡¡¡to¡¡¡¡¡¡40£»¡¡¡¡¡¡stellate¡­porrect¡¡¡¡¡¡in¡¡¡¡¡¡every¡¡¡¡¡¡direction£»¡¡

the¡¡6¡¡to¡¡8¡¡upper¡¡ones¡¡two¡¡to¡¡four¡¡times¡¡longer¡¡than¡¡the¡¡rest¡¡£¨4¡¡to¡¡8¡¡mm¡££©£»¡¡

clavate¡¡¡¡¡¡toward¡¡the¡¡¡¡¡¡apex¡¡¡¡¡¡and¡¡¡¡¡¡acute¡¡¡¡¡¡£¨the¡¡¡¡¡¡clavate¡¡¡¡¡¡top¡¡¡¡¡¡at¡¡

·µ»ØĿ¼ ÉÏÒ»Ò³ ÏÂÒ»Ò³ »Øµ½¶¥²¿ ÔÞ£¨0£© ²È£¨0£©

Äã¿ÉÄÜϲ»¶µÄ