Family: Poaceae
Sporobolus
Citation:
R. Br., Prod. Fl. Nov. Holl. 169 (1810).
Synonymy: Not Applicable Common name: Dropseeds.
Description:
Annuals or more often perennials; leaf blade flat or inrolled, narrow.
Inflorescence an open or contracted panicle; spikelets 1-flowered, awnless; glumes 2, persistent, not exceeding the floret, 1-nerved; lemma usually 1-nerved, membranous; palea readily splitting between the 2 nerves.
Distribution:
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About 150 species from warm areas.
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Biology:
No text
Key to Species:
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1. Panicle dense, spike-like |
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2. Second glume equal to the lemma |
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3. Panicle usually lead-coloured; rootsrock thick, creeping |
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S. virginicus 6. |
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3. Panicle pale; creeping rootstock absent |
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S. mitchellii 5. |
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2. Second glume shorter than the lemma |
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4. Spikelets c. 2.5 mm long |
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S. indicus var. africanus 4. |
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4. Spikelets under 2 mm long |
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S. elongatus 3. |
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1. Panicle loose, broadly pyramidal (S. actinocladus branches some-times appressed to the axis) |
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5. Leaves spiny-ciliate, subcordate at the base, grain globular |
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S. actinocladus 1. |
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5. Leaves not spiny-ciliate or cordate; grain angular |
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S. caroli 2. |
Author:
Not yet available
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