Ferocactus hamatacanthus var. hamatacanthus
Synonyms: Ferocactus hamatacanthus var. crassispinus unknown
Revision as of 20:01, 24 September 2019 by FNA>Volume Importer
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, Coahuila, Durango, San Luis Potosí, 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.
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