Comments
provided by eFloras
This species occupies a similar seashore habitat to Ischaemum muticum, but has a much more limited, more northerly distribution. It is a much hairier species, with exserted racemes of larger spikelets, and lacks the widely spreading, scaly rhizomes of I. muticum.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
provided by eFloras
Perennial. Culms loosely tufted, geniculately ascending to shortly decumbent and rooting at lowest nodes, 30–70 cm tall, branching in lower part, nodes bearded. Leaf sheaths loose, villous; leaf blades linear-lanceolate, 5–20 × 0.3–0.9 cm, villous, margins thickened, smooth, base constricted, apex acuminate; ligule 1–3 mm. Racemes terminal, paired, appressed back to back, 5–8 cm, long exserted; rachis internodes and pedicels stoutly cuneate, triquetrous, villous. Sessile spikelet broadly oblong or obovate, 8–10 × 2.5–3.5 mm; lower glume leathery toward base, flanks rounded in lower 1/3, villous with stiff ca. 3 mm hairs, papyraceous and puberulous above, keeled and winged above middle, wings ca. 0.8 mm wide with ciliolate margin, apex truncate-denticulate; upper glume keeled and winged above middle, villous on midline below wing; awn of upper lemma weakly geniculate, up to 1.5 cm. Pedicelled spikelet laterally compressed, otherwise resembling sessile, awnless. Fl. and fr. Jun–Sep.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat & Distribution
provided by eFloras
Sand dunes, sandy slopes, near the sea. Hebei, Shandong, Zhejiang (Dachen Dao) [Japan, Korea].
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Synonym
provided by eFloras
Rottboellia anthephoroides Steudel, Flora 29: 22. 1846 ["antephoroides"]; Andropogon anthephoroides (Steudel) Steudel; A. anthephoroides var. eriostachyus (Hackel) Honda; Ischaemum eriostachyum Hackel.
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- cc-by-nc-sa-3.0
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA