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Published In: Species Plantarum 1: 454. 1753. (1 May 1753) (Sp. Pl.) Name publication detailView in BotanicusView in Biodiversity Heritage Library

Project Name Data (Last Modified On 6/2/2011)
Acceptance : Accepted
Project Data     (Last Modified On 6/3/2011)
Contributor Text: A. RADCLIFFE-SMITH
Flower/Fruit: Fl. & Fr. Per.: July-Dec.
Type: Syntypes: India, specimen nos. 630/5-7 in Hb. Linn. (LINN).
Distribution: Distribution: A pantropical weed; in grassy plots & by roadsides, and in flooded areas near cultivation, near sea-level to 4500'/1370 m.
Illustration: Euphorbia hirta L. (Illustration)
Map Location: B-7 Hazara: Dadar Forest R. H., 31 Aug. 1970, Y. Nasir 6126 (RAW); 9 Aug. 1975, Y. & I. Nasir & Chits Wright 7727 (BM, RAW); near Maqsood, Jabri road, 6 Sept. 1978, E. & Y. Nasir 8958 (RAW); Muzaffarabad: Muzaffarbad Fort, 25 Oct. 1980, Y. Nasir 9406 (RAW); C-7 Rawalpindi: Rawalpindi N.P., 19 July 1978, Maqsood & Akram 119 (K): Jhelum: Jhelum, 13 Dec. 1916, R.R. Stewart 477 (K, RAW); D-6 Multan: Multan, 9 Jul, 1963, G. Popov 340 (BM); D-8 Lahore: Lahore, 18 Oct. 1980, E. & Y. Nasir 9371 (RAW): ? E-5 Kalat: Badalpur nr. Khanpur, 15 Aug. 1971, M.A. Siddiqi & Y. Nasir 6970 (RAW); F-4 Las Bela: Las Bela, M. Tasnif (fide Stewart); F/G-5 Sind: Jafri (fide Stewart); G-4 Karachi: Darsano Chano, 4 Dec. 1968, Sultan-ul-Abedin 13 (KUH).


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An erect-ascending hispid sparingly-branched annual herb up to 60 cm; hairs multicellular, drying yellow. Petioles 1-3 mm long. Leaf-blades rhombic-ovate to rhombic-lanceolate, 1-5 x 0.5-1.8 cm, subacute or obtuse, asymmetrically cuneate or rounded-cuneate at the base, serrulate at least in the upper part, with c. 2 pairs lateral nerves from near the base running up the blade, bright green, often purplish-tinged, above, pale green beneath. Stipules subulate, 1-2 mm long. Cyathia aggregated together into dense axillary pedunculate clusters 0.5-1 cm across; peduncle 0.5-1 cm long. cyathial glands and their appendages minute. Fruits sharply trigonous, c. 1 x 1 mm, smooth, adpressed-pubescent. Seeds 0.8 x 0.5 mm, ovoid-quadrangular, with a few shallow transverse ridges on each face, grey when mature, otherwise pinkish, ecarunculate.
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