Ferocactus hamatacanthus var. hamatacanthus
Illustrated
Synonyms: Ferocactus hamatacanthus var. crassispinus
Stems ovoid or ovoid-cylindric, 10–63 × 7.5–30 cm; ribs 13–17, undulate or crenate. Spines 12–16 (–28) per areole; central spines 4 (–8) per areole, principal central spine terete or angled, 60–165 × (0.5–) 1–1.5 (–2.5) mm, hard. Flowers 5.5–8 (–10) × 6.5–9.5 cm; stigma lobes 11–14. Fruits green to greenish brown or dull brownish purple, 30–50 × 25–30 mm. Seeds 1.4–1.6 mm. 2n = 22.
Phenology: Flowering summer.
Habitat: Chihuahuan desert scrub, prairies, semidesert grasslands, oak-juniper savannas, pine-oak woodlands, stony hills, bluffs, and flats, igneous and calcareous substrates
Elevation: 500-2300 m
Distribution
N.Mex., Tex., Mexico (Chihuahua), Mexico (Coahuila), Mexico (Durango), Mexico (San Luis Potosí), Mexico (Zacatecas)
Discussion
In Mexico, plants of Ferocactus hamatacanthus var. hamatacanthus grow much larger; our measurements pertain only to northern specimens.
Selected References
None.
Lower Taxa
None.
... more about "Ferocactus hamatacanthus var. hamatacanthus"
confluent +
largest +
cushionlike +
arillate +
short-lived +
adaxial +
absent +
inconspicuous +
separate +
circular to linear +
connected +
flowering +
absent +
woolly +
slender +
woodlike +
hardened +
surrounding +
leaflike +
absent +
triangular +
crinkly +
curved +
pliable +
papery +
sessile +
symmetric +
proliferating +
arising +
grass +
dried +
not mucilaginous +
hard +
thick +
not separating +
intact +
persistent +
sessile +
symmetric +
arranged +
yellow +
diurnal +
bisexual +
adnate +
epigynous +
conspicuous +
walled +
berrylike +
green;greenish brown or dull brownish purple +
drying +
indehiscent +
persistent +
absent +
juicy +
absent +
broad +
Chihuahuan desert scrub, prairies, semidesert grasslands, oak-juniper savannas, pine-oak woodlands, stony hills, bluffs, and flats, igneous and calcareous substrates +
dense +
Present +
glossy +
petal-like +
light gray +
thin +
sessile +
alternate +
absent +
rudimentary +
tuberculate +
fluted;spheric;depressed-spheric or club-shaped +
scarious +
apparent +
sepal-like +
spineless +
true +
surrounding +
sunken +
hairless +
epigynous +
compound +
not mucilaginous +
hard +
parietal +
3;14 +
several +
large +
basal +
separated +
flowering +
fertile +
coalescent +
Cact. +
1922 +
juicy +
uninterrupted +
straight +
undulate +
vertical +
13;17 +
minute +
diffuse +
leaflike +
absent +
numerous +
small +
0.4mm;12mm +
1;3000 +
pitted +
spheric;subreniform +
juicy +
persistent +
detachable +
bristlelike +
Illustrated +
bristlelike +
ribbonlike +
pliable +
absent +
hidden +
glabrous +
50;1500 +
decurrent +
unsegmented +
green +
erect +
glabrous +
tuberculate +
succulent +
7.5cm;30cm +
pale-yellow +
11;14 +
absent +
tuberculate +
woody +
adventitous +
adventitious +
tuberlike +
Ferocactus hamatacanthus var. hamatacanthus +
Ferocactus hamatacanthus +
variety +
dried +
straight +
distinct +
5;50 +
wavy +
papery +
distinct +
absent +
deep-seated +
annulate-ridged +
perennial +
epiphytic;epiphytic;epiphytic +