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Pakistan | Family List | Pakistan V. 204 | Chenopodiaceae | Atriplex

1. Atriplex leucoclada Boiss., Diagn. Pl. Or. Nov., Ser. 1. (2): 95. 1853; Fl. Or. 4: 915. 1879; Stewart, Ann. Cat. Vasc. Pl. W.Pak. Kashm. 218. 1972; Zohary, Fl. Palaest. 1:147. Pl. 206. 1966; Hedge, l.c. 172: 80. 1997 (Fig.8, A-F1).

Shrubby or perennial herb with woody base, mealy canescent, 30-100 cm tall, prostrate to erect. Leaves (5-) 8-30 x 2-25 mm, triangular deltoid, cuneate, truncate-hastate at base, acuminate at apex, sinuate-dentate; lower leaves shortly petiolate, upper mostly sessile. Flowers in terminal and axillary inflorscences, the former of mixed staminate and pistillate flower clusters, spike-like or paniculate; the axillary of pistillate flowers only, solitary or in groups. Staminate perianth membranous. Valves of solitary pistillate flowers 3-6 x 2-6 mm in fruit, campanulate with free upper parts, 3-5 (-7) -lobed, mostly without tubercles. Valves of spicate pistillate flowers with well-developed tubercles, deltoid, 3-5 lobed, each with lateral lobes 2-4-toothed, terminal lobe longer than lateral ones. Style free to base. Pericarp membranous; seeds 2 mm across, dark-brown.

Fl. Per.:June to October.

Syntypes: Hab. in desertis Arabiae Petraea, valles montis Sinai, Bové, (G,W); Schimper 434 (Isosyntype - E !); Wadi Useit, Boissier (G).

Distribution: East Saharo-Sindian and Irano-Turanian species.

A very polymorphic species, whose seasonal variation in habit needs careful study; often split into a number of taxa.


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