| Monocotyledon | Literature for Paspalum scrobiculatum
Wagner et al., 1990, 1999. |
| Poaceae -- The Grass Family | Bibliography |
| Paspalum scrobiculatum | |
Common name(s): mau`u laiki, ricegrass |
| General Information | ||
|---|---|---|
| Distribution | Native to the Paleotropics, including Malesia, and possibly Pacific islands.In the Hawaiian Islands, naturalized on Kaua`i, O`ahu, Moloka`i, Maui, Hawai`i. | |
| Habit |
Perennials; culms tufted, stout, erect, 6-12 dm tall, glabrous, somewhat bulbous at base. |
|
| Leaves |
Sheaths 7-14 cm long, glabrous or sometimes sparsely long-hispid at throat, somewhat compressed, basal ones often purple-tinged, usually with minute membranous auricles; ligule membranous, 1-1.5 mm long with a dense row of hairs 1-2 mm long behind it; blades flat, erect or ascending, 12-40 cm long, 3-12 mm wide, scabrous, upper surface glaucous, the midrib conspicuous on lower surface, apex acute. |
|
| Flowers |
Racemes 4-6, widely spaced, alternate, spreading, 2-4 cm long, villous at base, glabrous or sparsely long-pilose in the axils, the axis 4-9 cm long, rachis 1-1.5 mm wide, scabrous, margins usually red; spikelets solitary or paired, closely imbricate, broadly elliptic, 2-2.5 mm long, ca. 1.5 mm wide, glabrous; second glume and first lemma 3-nerved, midnerve distinct, marginal nerves faint; second lemma brown, cartilaginous, indurate, slightly shorter than second glume and first lemma, strongly convex, finely punctate; palea nerveless or 2-nerved, similar to lemma. |
|
| Fruit |
Caryopsis whitish, broadly elliptic, compressed, ca. 1.5 mm long. |
|
| Chromosomes |
2n = 20, 40, 42, 50, 54, 60, 80, ca. 90, 120 |
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