Brittonia davisii
J. Cact. Succ. Soc. Amer. ii. 407, tab. (1931);Houghton ex C. A.Armstr. in Cactus Journ. ii. 64 (1934).
Family
Cactaceae
Genus
Species
Brittonia davisii
Author
Houghton
Chinese genus
-
Chinese name
-
Accepted
DescriptionEdit description
Habit
Solitary, or sparsely clumping.
Seeds
About 1 mm.
Flowers
White to very pale yellow with a typical silky shine, 6-7,5 long and 7-9 cm in diameter. Stigma lobes 8-10.
Blooming Season
Early summer to autumn in succession.
Spines
12-16 per areole; Central spines up to 4 per areole, curved or slightly hooked, principal central spine thin more or less flattened, 5-10 cm long and 0,4-3 mm across, more or less flexible.
Ribs
typically 13 ( to 17), undulate to deeply crenate, tuberculate.
Stem
Spheric to ovoid, dark green 10-30 × 7.5-20 cm.
Fruits
Green, yellow-green, or olive, 20-45 long and 10-35 mm across.
Areoles
1-3 cm apart, young ones with yellow felt.