Biophytum sensitivum
(L.) DC., Prodr. 1: 690. 1824; Edgew. & Hook. f. in Fl. Brit. India 1436. 1874. Oxalis sensitiva L., Spa Pl. 434. 1753.
Herbs, annual; stems simple, up to 35 cm, hispidly pubescent. Leaves sensitive, crowded on top of stem; rachis 8 - 15 cm long; petioles short; leaflets opposite, 6 - 15 pairs. Peduncles of various lengths, up to 14 cm long, appressed-strigose and patently glandular-hairy; bracts lanceolate, small, crowded beneath short pedicels. Sepals ovate-lanceolate, acute, 4 - 7 x 0.5 - 1.5 mm, strigose and glandular hairy, longer than pedicels. Petals lanceolate, 5 - 7 x 1 - 2 mm, yellow. Anthers 1.5 - 2.5 mm long. Overy 0.5 - 0.75 mm, apically ciliate; ovules 2 - 5 per locule; style 0.5 - 1 mm; stigma flattened.
KEY TO THE VARIETIES
| 1a. Leaflets more or less glabrous; seeds prominently ridged. nol tubercled | 12.2. sensitivum |
| b. Leaflets strigosely hirsute; seeds ridged and tubercled | 12.1. candolleanum |
