Oxalis tetraphylla
Content
Description
Stemless herb from bulbous base, no rhizome, no stolons.
Inflorescence pseudo-umbellate, 6-25-flowered.
Sepals 5-7(-10) by 1½-3 mm, elliptic to lanceolate, obtuse to emarginate, glabrous, ciliate on edge, c. 7-nerved, apical calli 2-6, usually 4, linear, inconspicuous, orange.
Petals 1½-2½ by ½-1¼ cm, spathulate-oblong, rounded to retuse, often oblique, glabrous, dark red, when dry often bluish with greenish base.
Ovary 1½-5 by 1-3 mm, ellipsoid, glabrous;
Distribution
Asia-Tropical: Jawa (Jawa), Northern America, Tjinjiruan
Native of Mexico, cultivated and escaping; in Malesia hitherto only found in Java (Tjinjiruan); introduced before 1911, now quasi-spontaneous.