Escobaria tuberculosa
Cactaceae (Britton & Rose) 4: 54 (fig. 51). 1923
Family
Cactaceae
Genus
Species
Escobaria tuberculosa
Author
(Engelm.) Britton & Rose
Chinese genus
松球属
Chinese name
-
DescriptionEdit description
Description
Escobaria tuberculosaSN|10187]]SN|10187]] is a small branched and small stemmed cactus(to 50 branches) but sometimes solitary and large stemmed.
Tubercles
More or less regularly arranged in spirals, and firm, areolar glands are absent.
Flowers
The flowers are apical or nearly so, pure white, pale rose-pink, or pale lavender-pink, darker centrally, 2,5 to 4 cm in diameter.
Spines
21-41 per areole, ashy white, grey, or pale tan in colour, with the tips of the largest spines reddish brown or reddish black, all straight. Radial spines numerous (15-41 per areole), 4-15 mm long, grey to white, sometimes as many as 30. Central spines several, stouter than radials, brown to blackish or colored only at tips
Stem
Ovoid to cylindric up to 12 (18) cm tall, 7 cm in diameter.
Fruits
Oblong, bright red not very succulent; the floral remnant is strongly persistent.