Botanical Survey of India | Flora of India

JSP Page
Portulaca oleracea L., Sp. Pl. 445. 1753; Dyer in Fl. Brit. India 1: 246. 1874.


Erect or decumbent herbs, up to 40 cm high. Leaves fleshy, spirally arranged or subopposite, 2 - 4 x 1.5 - 15 mm, obovate-spathulate or linear-terete, with inconspicuous, ca 1 mm long axillary hairs. Flowers 2 - 30 in capituli, with 2 involucral leaves, surrounded by ca 5 x 6 mm bracteoles and inconspicuous hairs. Sepals up to 8 x 8 mm, carinate; carina ca 2 mm high. Petals 4 or 5, yellow, 3 - 10 x 8 mm, broadly obovate. Stamens 7 - 10 (- 15); filaments ca 4 mm long; anthers small. Styles up to 5 mm long with 3 - 5 arms. Capsules ca 4 x 3 mm, ovoid; operculum 2/3 to 1/2 the length of capsule, shining, straw-yellow. Seeds many, reniform, 6 - 7 mm in diam., shining black, granulate, testa cells stellulate with many tubercles.

Notes. Danin, A. et al. (Israel J. Bot. 27: 177 - 211. 1978) used seed size and morphology to describe nine subspecies under P. oleracea. Two varieties are recognized in India.



KEY TO THE VARIETIES


1a. Leaves linear, subterete; seeds 55 - 75 per capsule 2.1. linearifolia
b. Leaves spathulate, obovate, dorsi-ventral; seeds 20 - 25 per capsule 2.2. oleracea



RELATED IMAGES

JSP Page
  • Search