All Floras      Advanced Search
FOC Vol. 23 Page 170 Login | eFloras Home | Help
FOC | Family List | FOC Vol. 23 | Cyperaceae | Mapania

1. Mapania sumatrana (Miquel) Bentham subsp. pandanophylla (F. Mueller) D. A. Simpson, Revis. Gen. Mapania. 53. 1992.

露兜树叶野长蒲 lu dou shu ye ye chang pu

Hypolytrum pandanophyllum F. Mueller, Fragm. 9: 16. 1875; Thoracostachyum pandanophyllum (F. Mueller) Domin.

Rhizomes short or stolonlike. Culms central, ca. 1 m tall, 2-10 mm thick, straight, 3-angled, glabrous. Leaves basal and cauline, glabrous, basal leaves stipitate, cauline leaves sheathing; leaf sheath greenish to reddish brown, 7-24 cm; leaf blade to 2 m × 2.5-3 cm or longer, 3-angled, inverse W-shaped in cross section, 3-veined, margins scabrous or serrulate, apex flagelliform-acuminate. Involucral bracts 4 or 5, leaflike; basalmost bract to 70 × 1-2 cm or longer, much longer than inflorescence, not sheathing. Inflorescences corymbose paniculate, ca. 5 × 8 cm or longer; racemes several at apex of branches, with many spikes. Spikes 1 or 3-5 fascicled, ellipsoid, 5-6 mm, sessile, with many glumelike bracts subtending pseudospikelets. Glumelike bracts densely spirally and imbricately arranged, elliptic to broadly elliptic, ca. 2.5 mm, slightly shiny, glabrous, veins obsolete, apex rounded; basal 2 bracts empty, remainder each with a pseudospikelet. Pseudospikelets with 6 glumes, 3 male flowers, and 1 female flower; basal 2 glumes opposite, cymbiform, membranous to hyaline, keeled, ciliate on keel, each subtending 1 male flower; remaining 4 glumes linear-oblong, hyaline, outermost one subtending a male flower. Filaments to 3.7 mm; anthers linear to linear-oblong. Style ca. 1 mm; stigmas 3. Nutlet mid- to dark grayish brown, ovoid, 3-4 × 2.1-2.2 mm, outer surface hard, shiny, and with 2-4 longitudinal furrows. Fl. Mar-Apr.

Wet places in sparse forests or scrub; ca. 1100 m. Hunan, S Yunnan [Indonesia, Malaysia, Papua New Guinea; NE Australia, Pacific islands].


Related Objects  
  • Illustration
  • Illustration

    Flora of China @
    Browse by
    Advanced Search

    Flora of China Home




     |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |