Ischaemum

L. (1753)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Monocots Order: Poales Family: Poaceae Genus: Ischaemum

Description

Key Characters:

Growth Form: Perennials or sometimes annuals.

Stems: Culms nearly always decumbent at base.

Roots: Roots fibrous.

Leaves: Leaves simple. Alternate. Blades linear, narrowed abruptly or gradually at base. Veins parallel. Sheaths apex prolonged into an auricle; ligule membranous. Stipules absent.

Flowers: Inflorescences composed of terminal or axillary, paired or digitate racemes, when paired, the pairs often interlocked back to back, internodes and pedicels clavate to inflated; spikelets 2-flowered, sessile spikelet dorsally compressed, pedicellate spikelet as large as the sessile spikelet or much smaller, often asymmetrical, callus obtuse, situated at the concave top of the internode; first glume chartaceous to coriaceous, convex to concave, laterally 2-keeled, sometimes winged, second glume +/- awned. first floret staminate, with a palea; second lemma bifid, the midnerve usually prolonged between the teeth into a glatrous awn; palea similar to lemma in size, hyaline, 2-keeled. Stamens 3.

Fruit: Caryopsis oblong to lanceoloid; dorsally compressed.

Ploidy:

Habitat:

Elevation Range:

Historical Distribution

Uses and Culture

USES

Natural History

Island Status

Dispersal Agents


Pollinators

Bibliography

Name Published In: Sp. Pl.: 1049 (1753)

Occurrences

SNo. Scientific Name Scientific Name Authorship Locality Habitat Basis of Record Recorded By Record Number Island Source Date