Grusonia rosea
Tephrocactus Study Group 12(3): 45. 2006
Family
Cactaceae
Genus
Species
Grusonia rosea
Author
(DC.) G.D.Rowley
Chinese genus
白峰属
Chinese name
-
Primary
Accepted
DescriptionEdit description
Leaves
Thin subulate, caducous.
Stem Segments
Cylindrical, growing end to end, greygreen, 10-15 cm long, 1.6-2.5 cm in diameter, with distinct tubercles.
Flowers
Cylindropuntia roseaSN|28379]]SN|28379]] is not a reliable bloomer. When flowering finally occurs, the flowers will be a beautiful rose colour up to 3.8-4 cm long. The flowers are developed always at the top of the stems.
Glochids
Yellow, 2-5 mm long.
Blooming Season
It flowers in summer between June and July.
Spines
4-9, sometimes only one, needle-like, yellow to reddish to grey, 1-4 cm long. Sheaths papery, yellowish, not completely covering the spines.
Fruits
Obconical to obovoid, yellow, spiny, 1.6-1.8 cm long, 1.1-1.4 cm in diameter, with distinct tubercles. The fruit have been regarded as not producing seeds at all, but recent studies discovered fruits containing seed.
Areoles
Large, 2-3.5 cm apart.