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Project Name Data (Last Modified On 10/22/2012)
 

Flora Data (Last Modified On 10/22/2012)
Genus ISCHAEMUM L.
PlaceOfPublication Sp. P1. 1049. 1753.
Description Spikelets in pairs, all alike, perfect, but the pedicellate spikelet not always fruitful, the rachis and pedicels of the disarticulating racemes thickened; first glume indurate and rounded below, flattened, herbaceous and sometimes winged above, often cross-wrinkled or ridged, the narrow margins sharply inflexed; sterile lemma hyaline, as long as the glumes, enclosing a well-developed palea and stami- nate flower; fertile lemma hyaline, deeply bifid, awned from between the teeth, the awn geniculate, tightly twisted below the bend.
Note Branching annuals or perennials, often decumbent-spreading, with flat blades and rather thick racemes, digitate or flabellate at the ends of the branches.
Key a. Plants annual; first glume strongly transversely ridged -1. I. RUGOSUM aa. Plants perennial; first glume sometimes wrinkled, but not transversely ridged - _ - _ - _ .-- - 2. I. CILIARE
 
 
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