[Poa cilianensis All.; Eragrostis major Host; E. megastachya (Koeler) Link]
(nat) Stinkgrass
Tufted annuals, strongly scented when fresh; culms somewhat weak, erect or ascending from a decumbent base, 2-4 dm tall, branching at base. Sheaths usually somewhat compressed, conspicuously pilose at throat, otherwise glabrous; ligule a line of hairs 0.7-1.2 mm long; blades dark green, flat, 5-15 cm long, 3-6 mm wide, upper surface scabrous, lower surface glabrous, margins with conspicuous tubercu- late glands. Panicles green to grayish green, moderately dense, 5-15 cm long; spikelets 10-40-flowered, oblong, 5-15 mm long, ca. 3mm wide, compressed; glumes often purple-tinged, subequal, keels sparsely covered with minute glands, apex acute, first glume 1-1.2 mm long, second glume 1.5-1.7 mm long; lemmas closely imbricate, thin, 2-2.5 mm long, conspicuously 3-nerved, keel sparsely covered with minute glands, apex acute, scabrous; palea 1.2-1.7 mm long, keels minutely ciliate. Caryopsis reddish brown, ovoid to globose, punctate, 0.5-1 mm long. [2n = 40.] Native to tropical and warm temperate regions of the Old World, now naturalized in the New World; in Hawai‘i naturalized in dry sites, including beaches, pastures, and open mesic shrub- land, 0-280 m, on all of the main islands except Ni‘ihau and Lana‘i. First collected prior to 1871, without specific locality (Hil- lebrand & Lydgate s.n., BISH).