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Hypolytrum nemorum

Family

Cyperaceae

Botanical Name

Hypolytrum nemorum (Vahl) Spreng.

Sprengel, C.P.J. (1824) Systema Vegetabilium 1: 233. Type: ?.

Synonyms

Hypolytrum nemorum (Vahl) Spreng. var. nemorum, Flora Malesiana Series I: 491(1974), Type: ?. Schoenus nemorum Vahl., Symb. Bot. 3: 8(1794), Type: ?.

Stem

Can grow as a herb but usually flowers and fruits as a plant more than 1 m tall.

Leaves

Leaf blades strap-like, up to 100 cm or more long, +/- M-shaped in transverse section. Leaf blade margin and midrib (on the underside of the leaf blade) finely toothed. Outer two main longitudinal veins raised on the upper surface.

Flowers

Flowers produced in short spikes, about 5-8 mm long, in a panicle. Flowers enclosed in brown bracts.

Fruit

Nuts up to 3 mm long. Pericarp thick and hard. Embryo minute, globular.

Seedlings

One or two scale-like cataphylls produced before the first true leaves. First true leaves linear, about 7-14 x 1 mm, longitudinally veined and the bases clasp the stem. At the tenth leaf stage: leaves linear, channelled on the upper surface, bases clasping one another forming a triangular sectioned leafy stem. Venation longitudinal and parallel. Leaf blade margins and midrib (on the underside) beset with small tooth-like hairs.

Distribution and Ecology

Occurs in CYP and NEQ. Altitudinal range from near sea level to 200 m. Grows in swampy areas in rain forest and gallery forest or close to water in riparian forest. Also occurs in Asia and Malesia.

Natural History

Makes an attractive pot or garden plant and will grow well in shady conditions.

NT

X

CYP

X

NEQ

X

Grass

X

RFK Code

3486