Chimantaea rupicola Maguire, Steyerm. & Wurdack
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Authority
Maguire, Bassett, et al. 1957. Botany of the Chimanta Massif - I Gran Sabana, Venezuela. Mem. New York Bot. Gard. 9 (3): 393-484.
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Family
Asteraceae
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Scientific Name
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Description
Latin Diagnosis - Frutex depressus ramiferus 0.1-0.3-metralis, caulibus ramisque irregulariter curvatis ligneis rugosis, ad 4 cm diam., infra denudatis apice conferte foliosis, ferrugineo- vel pallido-brunneo-pannosis vel vetustioribus glabris; foliis apice confertis sessilibus alternis coriaceis patentibus vel adscendentibus oblanceolatis obtusis vel rotundatis, 3-6 cm longis 0.6-1.5 cm latis, valde revolutis supra oliveo-viridibus penninerviis nervis lateralibus utroque latere 2-4 glabris vel supremis juvenilibus cinereo-pannosis subtus vetustioribus densissime cinereopannoso-tomentosis juvenilibus ferrugineo-pannoso-tomentosis; capitulis solitariis terminalibus sessilibus in foliis et copiosis tomentis supremis insessis homogamis, primum 2-2.5 cm longis 1-1.3 cm latis, maturis distentis ad 2.8 cm longis ad 3.5 cm latis; involucro oblongo-campanulato ca. 8-seriato, phyllariis 50-55 indurato-chartaceis extus supra medium densissime ferrugineo-tomentosis intus glabris exterioribus medianisque lanceolatis acutis, 6-12 mm longis 2-3 mm latis, interioribus 18-22 mm longis 1.5-2 mm. latis; receptaculo piano vel plano-convexo ca. 2.5 mm diam. valde alveolato marginibus areolarum ferrugineo-hirsutulis; paleis 1-2 deciduis marginalibus submembranaceis setaceo-subulatis, ad 25 mm longis 0.2 mm latis, marginibus parce barbellato-hispidulis extus supra medium ferrugineo-pilosis; floribus 12-24 actinomorphicis; tubo paullo prismatico-cylindrico, 6 mm longo 2 mm diam., extus glabro intus fauce piloso; lobis luteis erectis linearibus obtusis marginibus incrassatis, 12-16 mm longis 0-5-0.8 mm latis, parce longiciliatis extus circa apicem rufo-barbatis; filamentis filiformibus in orificio tubi affixis; antheris ochroleucis linearibus, 5-5-6.5 mm longis, glabris, appendicibus terminalibus lanceolatis acutis, 1.2 mm longis, caudicibus sagittatis liberis linearibus, 1-1.3 mm longis, glabris; stylo subulato longe exserto, 3-3.3 cm longo, superne luteo, ramis erectis, 0.6-0.7 mm longis, glabris, basi ab corona carnosa 5-lobata 1-1.2 mm alta subtento; achaeniis oblongo-turbinatis prismaticis, 5-6 mm longis, 10-costatis densissime ferrugineo-hirsutulis pilis sursum directis vel interdum sterilibus glabris; pappo rufescenti 3-seriato, setis ad 18 mm longis, 0.05-0.25 mm latis, barbellatis, appendicum apicibus geniculatis ca. 1 mm longis.
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Discussion
TYPE: rocky and swampy savanna between west and east branches of headwaters of Rio Tirica, Central Section, Chirnanta Massif, Bolivar, Venezuela, 2120-2210 m alt., February 11, 1955, Julian A. Steyermark & John J. Wurdack 748 (holotype NY, isotype F).