Hymenoxys jamesii (Asteraceae: Heliantheae): a new species from Arizona

Hymenoxys jamesii is a new species endemic to the Mogollon Plateau of Arizona. Morphologic, cytologie, and chemical data are all consistent with its recognition as a species in Hymenoxys subgenus Picradenia, where it appears to be most similar to the more widespread H. cooperi. Se describe una nueva...

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Veröffentlicht in:	Madroño 1993-01, Vol.40 (1), p.38-46
1. Verfasser:	Bierner, M.W. (Southwest Texas State University, San Marcos, TX)
Format:	Artikel
Sprache:	eng
Schlagworte:	Achenes ANATOMIA DE LA PLANTA ANATOMIE VEGETALE ARIZONA Awns Biological and medical sciences Bracts COMPOSITAE Corolla DISTRIBUCION NATURAL DISTRIBUTION NATURELLE ESPECE NOUVELLE ESPECIES NUEVAS Florets Fundamental and applied biological sciences. Psychology GEOGRAPHICAL DISTRIBUTION HYMENOXYS JAMESII, SP. NOV Ligules NATURAL DISTRIBUTION NEW SPECIES PLANT ANATOMY Plant cytology, morphology, systematics, chorology and evolution PLANT MORPHOLOGY Plants Ploidies Sesquiterpenes Spermatophyta Systematics (diagnosis, chromosome numbers) Taxa TAXONOMIA TAXONOMIE TAXONOMY
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Zusammenfassung:	Hymenoxys jamesii is a new species endemic to the Mogollon Plateau of Arizona. Morphologic, cytologie, and chemical data are all consistent with its recognition as a species in Hymenoxys subgenus Picradenia, where it appears to be most similar to the more widespread H. cooperi. Se describe una nueva especie endémica, Hymenoxys jamesii, del Altiplano Mogollón de Arizona. Datos morfológicos, citológicos y químicos son consistentes con reconocimiento de este taxón como una especie de Hymenoxys subgénero Picradenia, adonde se parece mas a H. cooperi, un taxón de ámbito geographico amplio.
ISSN:	0024-9637 1943-6297