font settings and languages

Font Size: Large | Normal | Small
Font Face: Verdana | Geneva | Georgia
Languages:

Ischaemum chordatum

(Ischaemum)

Interesting Facts

[ Back to top ]
 

Common Names

[ Back to top ]

Click on the language to view common names.

Common Names in English:

Ischaemum, Paddle Grass, Reh Padil

Common Names in Informal Latinized N:

Ischaemum

Common Names in Kosraean:

Mah

Description

[ Back to top ]

Genus Ischaemum

Perennial , or sometimes annual . Culms often decumbent and much branched. Leaf blades linear to lanceolate, narrowed to ligule, sometimes pseudopetiolate; ligule membranous; sheath auricles often present. Inflorescence of paired racemes , or occasionally subdigitate, terminal and axillary , exserted or sometimes supported by a spatheole ; racemes 1-sided, when paired often locked back to back and appearing as a single cylindrical raceme, spikelets of a pair similar or not; rachis internodes and pedicels stoutly linear to thickly clavate , U-shaped or triquetrous in cross section . Sessile spikelet dorsally compressed ; callus truncate or obtuse , inserted into hollowed internode apex; lower glume papery to leathery, shallowly convex or almost flat, 2-keeled or rounded on flanks, sometimes winged , often rugose ; upper glume boat-shaped, awnless or with straight awn from apex; lower floret male, well developed with palea; upper lemma usually deeply 2-lobed, awned from sinus , rarely awnless; awn geniculate, glabrous . Pedicelled spikelet as large as sessile or much smaller, upper lemma sometimes geniculately awned.

About 70 species: throughout the tropics but mainly in Asia, especially India; 12 species (one endemic) in China.[1]

Physical Description

Habit: Graminoid

Taxonomy

[ Back to top ]

Synonyms

Andropogon chordatus (Trin.) Steud. • Ischaemum Polystachyum Chordatum • Ischaemum polystachyum J. Presl var. chordatum (Trin.) Fosberg & Sachet • Ischaemum Timorense Chordatum • Ischaemum timorense Kunth var. chordatum (Trin.) Hack. • Spodiopogon Chordatum

Notes

Name Status: Accepted Name .

Last scrutiny: 15-Mar-2000

Similar Species

[ Back to top ]

Members of the genus Ischaemum

ZipcodeZoo has pages for 8 species, subspecies, varieties, forms, and cultivars in this genus:

I. aureum (Golden Duckbeakgrass) · I. byrone (Hilo Ischaemum) · I. chordatum (Ischaemum) · I. indicum (Indian Murainagrass) · I. muticum (Seashore Centipede Grass) · I. polystachyum (Paddle Grass) · I. rugosum (Co Muraina) · I. timorense (Stalkleaf Murainagrass)

More Info

[ Back to top ]

Further Reading

[ Back to top ]

Notes

[ Back to top ]

Contributors

Identifiers

Footnotes

  1. Bi-xing Sun & Sylvia M. Phillips "Ischaemum". in Flora of China Vol. 22 Page 572, 596, 609, 639. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
Last Revised: 7/15/2012