Home Flora of Panama (WFO)
Name Search
Markup OCR Documents
!Ischaemum rugosum Salisb. Search in The Plant ListSearch in IPNISearch in Australian Plant Name IndexSearch in NYBG Virtual HerbariumSearch in Muséum national d'Histoire naturelleSearch in Type Specimen Register of the U.S. National HerbariumSearch in Virtual Herbaria AustriaSearch in JSTOR Plant ScienceSearch in SEINetSearch in African Plants Database at Geneva Botanical GardenAfrican Plants, Senckenberg Photo GallerySearch in Flora do Brasil 2020Search in Reflora - Virtual HerbariumSearch in Living Collections Decrease font Increase font Restore font
 

Project Name Data (Last Modified On 10/22/2012)
 

Flora Data (Last Modified On 10/22/2012)
Species ISCHAEMUM RUGOSUM Salisb.
PlaceOfPublication Icon. Stirp. Rar. 1. pl. i. 1791.
Description Annual; culms erect or decumbent at the base, rather freely branching from nearly all the nodes, the nodes bearded; sheaths rather loose, keeled toward the summit, glabrous or sparsely papillose-pilose near the summit; ligule 2-3 mm. long; blades mostly 10-15 cm. long, 6-12 mm. wide, acuminate, narrowed toward the base, sometimes petiole-like, the margins very scabrous; racemes in pairs, ap- pressed together and appearing as if one when young, 3-10 cm. long, terminal on the main culm and branches, long-exserted from the upper bladeless sheath, the rachis thick, readily disarticulating, ciliate on the outer edges; spikelets 3-4 mm. long, obtuse, the summit membranaceous, otherwise indurate with 3-5 strong transverse ridges; awns 1.5 cm. long, tightly twisted below, loosely twisted above the bend.
Distribution A common weed in fields, clearings, brushy slopes, and waste ground. Intro- duced in Panama, Cuba, and Jamaica; a native of the Old World.
Specimen CANAL ZONE: France Field, Standley 28587; Gatuin, Hitchcock 9I83; New Frijoles, Pittier 683I; Barro Colorado Island, Standley 4095I; Darien Station, Standley 3I509; Tabernilla, Hitchcock 838I; Culebra, Standley 26029; Summit, Standley 269I4, 27329; D. H. Popenoe I9; between Miraflores and Pedro Miguel, Pittier 2506; between Fort Clay- ton and Corozal, Standley 29097; Balboa Heights, Killip 4184. PANAMA: Abalaba, Killip 4268.
 
 
© 2021 Missouri Botanical Garden - 4344 Shaw Boulevard - Saint Louis, Missouri 63110