Acroceras munroanum Balansa Henrard. Blumea 33: 444-445. 1940.

Shade and open habitats, near running fresh water, understorey, damp places, shallow water, marshly ground, forests, stream and lake margins.

1.1. Acroceras munroanum Balansa Henrard. Blumea 33: 444-445. 1940.

Panicum munroatum Balansa. J. Bot. Morot 47: 140. 1890. Panicum ridleyi Hack. ex Ridl. Trans. Linn. Soc. London, Bot. 3: 400. 1893. Panicum latifolium L.f. Fl. Brit. India 721: 39. 1896. Panicum crassiapiculatum Merr. Philipp. J. Sci. 1 Suppl. 5 356. 1906. Acroceras crassiapiculatum Merr. Alston. Handb. Fl. Ceylon 6: 324. 1931. . Plants perennial. Culms 35 cm long, slender and creeping with erect tips, rooting from lower nodes. Internodes smooth. Sheaths 2-3 cm long, shorter than adjacent internode, glabrous on surface, margin hairy. Ligule membraneous, obtuse. Blades 5-9 cm by 4-8 mm, lanceolate, glandular, midrib prominent, surface scaberulous, margin scaberulous, base hairy, apex acuminate. Inflorescence 3-4 racemes, 2-4 cm long, along a central axis. Rachis winged, smooth on surface, scaberulous on margins. Spikelets packing lax, irregular. Fertile spikelets pedicelled. Pedicels 4 mm long, linear, unequal. Glumes dissimilar. Lower glume 2.8 mm long, ovate, clasping, c. 0.5 times length of spikelets, without keels, 5-nerved. Upper glume 3.5 mm long, as long as spikelet, herbaceous, 7-nerved. Floret: basal sterile floret barren, with palea. Lemma of lower sterile floret similar to upper glume. Fertile lemma ovate, dorsally compressed, 3 mm long, indurate, 3-nerved. Lemma margin involute, apex apiculate, laterally pinched. Palea reflexed at the tip, elliptic, involute, as long as lemma, indurate, 2-nerved. Lodicule 2, obovate, toothed. Anthers 2, 1 mm long. Notes China, India, Indo-China, Malesia, and Sri Lanka. Distribution at Sulawesi Southeast: Wawotobi. Habitat Moist, marshes, rice fields. Specimens examined Kjellberg 822. 3. ALLOTEROPSIS J. Presl. Type: Alloteropsis distachya J. Pressl. Reliq. Haenk. 14-5: 343, pl. 47. 1830. Axonopus Hook. f. Fl. Brit. India 721: 63. 1897. Bluffia Ness. Del. Sem. Hort. Hamburg. 1834: 8. 1834. Coridochloa Nees. Edinburg New Philos. J. 15: 381. 1883. From the Greek allotrios “foreign, strange, stranger, alien”, allotereon “foreign” and opsis “resemblance”. Approximately 10 – 15 species, Old Worl Tropics, Australia, Asia, India, tropical and South Africa. Perennial, herbaceous, unbranched, erect or ascending, caespitose or decumbent, tuberous or not, forming tussock, tufted and hairy at the nodes. Shoots more or less aromatic. Ligule a fringed membrane. Sheaths mostly basal. Auricle absent; internodes hollow. Blade rolled in bud. Plants bisexual, slender racemes digitate or subdigitate. Spikelets short-awned and paired or clustered; florets 2 and dissimilar, lower floret usually male, upper floret bisexual. Glumes dissimilar. Lower glume shorter than the spikelets. Upper glume ciliate on the margins. Upper lemma shortly awned. Palea present, hairy to papilate. Lodicule 2, free and fleshy. Stamens 3. Ovary glabrous. Stigma 2. Forage, drought resistant, marshes, weedy places, open or shaded habitats, rain forest.

3.1. Alloteropsis semialata R. Br. Hitch. Contr. U.S. Natl. 126: 210. 1909.