Species information Abo ut Reso urces Hom e A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Isachne confusa Click on images to enlarge Family Poaceae Scientific Name Isachne confusa Ohwi Ohwi, J. (1947) Bulletin of the National Science Museum, Tokyo 18: 14. Type: Sumatra (Ins. Bangka, Bunnemeijer, 1577 in Herb. Bogor). Inflorescence. Copyright Australian Plant Image Index (APII). Stem Photographer: M. Fagg. Perennial with stiffly erect to decumbent culms, 35-45 cm tall, branched, nodes widely spaced and glabrous. Leaves Leaf sheaths 3-5 mm long, much shorter than the internodes and shorter than the blade, slightly inflated, with long tubercle-based hairs; leaf blades lanceolate-ovate, thick, tough, 1-2.5 × 0.3-0.7 cm, glaucous, many veined, riblike, abaxial surface minutely papillose, adaxial surface scabrid or hispidulous on the veins, margins pectinate-setose; ligule absent. Flowers Inflorescence an open broadly pyramidal panicle, 1.5-4 cm, glandular; branches stiff with thickened bases, Herbarium specimen. Copyright MBA horizontally spreading, close-set and smooth; pedicels stout, shorter than or equaling spikelets. Spikelets solitary, globose, 1.2-1.3 mm, brownish green; florets similar; glumes shorter than florets, thickly membranous with broad scarious margins, lower glume 3-veined, upper glume 5-veined, densely hispid with thick hairs, apex rounded, deciduous; lemmas strongly plano-convex and leathery, back minutely white-granular, margins scurfy-pubescent, lower lemma very slightly longer and narrower. Fruit Seeds of florets born tight so that it looks like 2 seeds per floret. Caryopsis with adherent pericarp, smooth and flattened on one side. Seedlings Features not available. Distribution and Ecology Occurs in the NT, CYP and NEQ. Altitudinal range from near sea level to 210 m. Grows along creeks and marshy areas in closed forest margins, open forest, Melaleuca swamp forest and in heathland. Prefers sandy soils. Also from China, India (Nicobar Islands), Indonesia, Malesia, Thailand, Vietnam and New Guinea. Natural History & Notes Grass X RFK Code 4263 CC-BY Australian Tropical Herbarium unless otherwise indicated in the images..