Jepson Flora Project: Jepson Interchange    

 
link to manual TREATMENT FROM THE JEPSON MANUAL (1993) previous taxon | next taxon
Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California

    THIS PAGE IS NO LONGER UPDATED
    AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY
  • Up-to-date information about California vascular plants is available from the Jepson eFlora.

POACEAE

GRASS FAMILY

James P. Smith, Jr., except as specified

Annual to bamboo-like; roots generally fibrous
Stem generally round, hollow; nodes swollen, solid
Leaves alternate, 2-ranked, generally linear; sheath generally open; ligule membranous or hairy, at blade base
Inflorescence various (of generally many spikelets)
Spikelet: glumes generally 2; florets (lemma, palea, flower) 1–many; lemma generally membranous, sometimes glume-like; palea generally ± transparent, ± enclosed by lemma
Flower generally bisexual, minute; stamens generally 3; stigmas generally 2, generally plumose
Fruit: achene-like grain
Genera in family: 650–900 genera; ± 10,000 species: worldwide; greatest economic importance of any family (wheat, rice, maize, millet, sorghum, sugar cane, forage crops, ornamental, weeds; thatching, weaving, building materials)
Reference: [Hitchcock 1951 Manual grasses US, USDA Misc Publ 200; Clayton & Renvoise 1986 Kew Bull Add Series 13]
See Glossary p. 26 for illustrations of general family characteristics. Generally wind-pollinated.

MONANTHOCHLOE

SHOREGRASS

Dieter H. Wilken

Perennial, mat-like, dioecious
Stems: central prostrate to decumbent, widely creeping, rooting at nodes; lateral ascending to erect
Leaves cauline, tufted on prostrate stems, densely clustered on erect branches; sheath open, persistent, fibrous with age; ligule ring-like, ciliate; blade generally oblong, thick, obtuse to pointed
Spikelet generally 1, sessile to short-stalked, concealed by upper leaf blades, unisexual; glumes 0; florets 3–5, lower 1–2 fertile, upper sterile; florets of staminate spikelet breaking apart, lemmas firmly membranous; florets of pistillate spikelet weakly breaking apart or not, lower lemmas hard, strongly enfolding flower and fruit; palea ± = lemma, membranous
Species in genus: 2 species: warm temp North America, Cuba, Mex; also Argentina
Etymology: (Greek: one-flower grass)

previous taxon | next taxon
bioregional map for MONANTHOCHLOE being generated
 


Retrieve Jepson Interchange Index to Plant Names entry for Monanthochloe
Retrieve dichotomous key for Monanthochloe
Overlay Consortium of California Herbaria specimen data by county on this map
Show other taxa with the same California distribution | Read about bioregions | Get lists of plants in a bioregion
Return to the Jepson Interchange main page
Return to treatment index page
Glossary


University & Jepson Herbaria Home Page |
General Information | University Herbarium | Jepson Herbarium |
Visiting the Herbaria | On-line Resources | Research |
Education | Related Sites
Copyright © by the Regents of the University of California