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Pakistan | Family List | Poaceae | Sporobolus

Sporobolus ioclados (Nees ex Trin.) Nees, Fl. Afr. Austr. 161. 1841. Blatter, & McCann, Bombay Grasses 224. 1935.

  • Sporobolus marginatus* Hochst. ex A. Rich.
  • Sporobolus pallidus (Nees ex Trin.) Boiss.
  • Vilfa ioclados Nees ex Trin.
  • Vilfa marginata (Hochst. ex A. Rich.) Steud.
  • Vilfa pallida Nees ex Trin.

    Caespitose perennial, sometimes short-lived, often spreading by means of stolons; culms 15-60 cm high. Leaf-blades flat, 2-30 cm long, 2-5 mm wide, the margin ± cartilaginous and usually bearing stiff hairs; sheaths of the vegetative shoots often keeled and flabellately interleaved to form compact fascicles. Panicle ± pyramidal, usually spreading, 3-20 cm long; primary branches in 4-8 whorls, with side branches 3-15 mm long from the upper two-thirds to three-quarters, sometimes reddish. Spikelets 1.5-2.2 mm long, smooth or scaberulous, grey-green to pallid, rarely purplish; lower glume oblong, 0.2-0.8 mm long, a quarter to a third as long as the upper, obtuse; upper glume oblong-elliptic, nearly as long as the spikelet; lemma similar to the upper glume; anthers 3, 0.7-1 mm long. Grain ellip¬soid, 0.6-1 mm long.

    Types: South Africa, Drege & Wonderhuivel (K), Drege (K) and other syntypes.

    Distribution: Pakistan (Punjab); throughout Africa and in India.

    Sporobolus ioclados occurs on a variety of inhospitable soil types, and belongs to a cluster of closely allied species merging into Sporobolus arabicus on the one hand and Sporobolus kentrophyllus on the other. A further member of the cluster is Sporobolus maderaspatanus Bor, from India.

    Sporobolus ioclados is a tropical species rare in Pakistan.


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