Coryphantha longicornis
Monatsschr. Deutsch. Kakteen-Ges. 11: 249, fig. 1931
Family
Cactaceae
Genus
Species
Coryphantha longicornis
Author
Boed.
Chinese genus
顶花球属/菠萝球属
Chinese name
-
DescriptionEdit description
Central Spines
3, rigid, stiff, white to brown, often with black tips, about 1.2-2,5 cm long. The lower one is curved and descending, while the upper and lateral ones are shorter.
Description
Coryphantha longicornisSN|10216]]SN|10216]] is a large growing and solitary or group forming cactus with woolly stem tips.
Roots
Taproot.
Tubercles
Spirally arranged, conical/ovate, more or less erect, very firm, 14–17 mm wide up to 2 cm long with a narrow, bare groove above; on new growth the groove may show some felt. Axil bare or slightly woolly with one gland.
Flowers
Diurnal pure yellow, funnel shaped, 3 to 6,5 cm diameter.
Stem
Fat squat globose to short cylindrical glossy green or dull green, up to more than 9-20(-30) cm high and 10-15 cm broad.
Radial Spines
About 12, translucent whitish, acicular, acicular, equal straight or curved, short, gray at tips , 5-15 mm long.
Fruits
Yellow green 15-20 mm long, juicy with attached flower remnants.
Areoles
Woolly when young.