Sporobolus spp.
Family: Poaceae
Sporobolus image
E. Makings  
Plants annual or perennial; usually cespitose, sometimes rhizomatous, rarely stoloniferous. Culms 10-250 cm, usually erect, rarely prostrate, glabrous. Sheaths open, usually glabrous, often ciliate at the apices; ligules of hairs; blades flat, folded, involute, sometimes terete. Inflorescences terminal, open or contracted panicles, sometimes partially included in the uppermost sheath. Spikelets rounded to laterally compressed, with 1(-3) floret(s) per spikelet; disarticulation above the glumes. Glumes 0-1-veined; calluses poorly developed, usually glabrous; lemmas membranous or chartaceous, 1(3)-veined, unawned; paleas glabrous, 2-veined, often splitting between the veins at maturity; anthers (2)3. Fruits utricles or achenes, ellipsoid, obovoid, fusiform, or quadrangular, pericarp free from the seed, becoming mucilaginous when moist in most species, remaining dry and partially adherent to the seed in S. heterolepis and S. clandestinus. Cleistogamous spikelets occasionally present in the lower leaf sheaths. x = 9. Name from the Greek sporos, seed, and bolos, a throw, referring to the free seeds, which are sometimes forcibly ejected when the mucilaginous pericarp dries.


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Sporobolus dot map

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Image of Sporobolus canovirens
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Image of Sporobolus capillaris
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Image of Sporobolus coahuilensis
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Sporobolus dot map

Image of Sporobolus cubensis
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Sporobolus dot map

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Sporobolus dot map
Image of Sporobolus hintonii
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Image of Sporobolus ozarkanus
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Image of Sporobolus simplex
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Image of Sporobolus tenuissimus
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Image of Sporobolus tharpii
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Image of Sporobolus vaginaeflorus
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