Aristida correlliae, a new species of poaceae from the Turks and Caicos Islands

A new species, Aristida correlliae (Poaceae: Aristida sect. Chaetaria) is described and illustrated from South Caicos Island and Long Cay in the Bahama Archipelago, where it grows on stony open ground as an uncommon member of a diverse, arid, scrub community. The new species is similar to A. refract...

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Bibliographic Details
Published in:Systematic botany 1990-07, Vol.15 (3), p.421-424
Main Authors: McKenzie, P.M. (Louisiana State Agricultural Center, Baton Rouge.), Urbatsch, L.E, Proctor, G.R
Format: Article
Language:English
Subjects:
ANATOMIA DE LA PLANTA
ANATOMIE VEGETALE
Archipelagos
ARISTIDA
Awns
BAHAMAS
Biological and medical sciences
DESCRIPTIONS
DISTRIBUCION GEOGRAFICA
DISTRIBUTION GEOGRAPHIQUE
ESPECE NOUVELLE
ESPECIES NUEVAS
Fundamental and applied biological sciences. Psychology
GEOGRAPHICAL DISTRIBUTION
Glumes
HABITAT
HABITATS
Inflorescences
KEYS
Leaf blade
NEW SPECIES
Perennials
PLANT ANATOMY
Plant cytology, morphology, systematics, chorology and evolution
Spermatophyta
Spikelets
Stems
Systematics (diagnosis, chromosome numbers)
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Description
Summary:A new species, Aristida correlliae (Poaceae: Aristida sect. Chaetaria) is described and illustrated from South Caicos Island and Long Cay in the Bahama Archipelago, where it grows on stony open ground as an uncommon member of a diverse, arid, scrub community. The new species is similar to A. refracta and A. calcicola in certain habit and leaf features, but differs from these taxa in culm, spikelet, and leaf blade and sheath apex pubescence characters. Aristida correlliae is like A. lanosa and A. stricta in certain pubescence features but exhibits a different habit and a smaller inflorescence. A key is provided for all species of the Bahama Archipelago.
ISSN:0363-6445
1548-2324
DOI:10.2307/2419356