Chimantaea similis 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 vel arbor 2-5-metralis, ramis divaricatis paucibus teretibus juvenilibus, 1-1.5 cm diam.; foliis alternis apice ramorum confertis petiolatis, petiolis incrassatis vel alatis tomentosis, 2-4 (15)mm longis 5-8 mm latis vel laminis sessilibus, larrinis coriaceis obovatis vel oblongo-obovatis apice rotundatis, 5.5-10 (15) cm longis (1.5) 2.5-6.0 (8.0) cm latis, revolutis supra glabris vel subglabris (costa tomentulosa excepta) subtus densissime cinereo-ochroleucopannoso-tomentosis penninerviis nervis lateralibus utroque latere 6-10 jugis subtus laminis vetustioribus prominulis laminis juvenilibus ficte nullis, costa media supra subsulcata subtus elevata; capitulis solitariis terminalibus sessilibus 25-30-floris homogamis; involucro late campanulato 10-12-seriato, 3.5-4.0 cm longo 1.2-1.5 cm lato, phyllariis indurato-chartaceis exterioribus 6-7-seriatis arete gradatis anguste ovatis vel lanceolatis acuminatis, 7-16 mm longis 2-2.5 mm latis, supra media cinereo-tomentosis, interioribus 3-5-seriatis fulvis subito longioribus ante maturitatem erectis eis maturis laxe recurvatis linearibus vel subulato-setaceis cuspidato-acuminatis, 28-30 mm longis 1.25-1.5 mm latis, apice hispidulis extus dense papilloso-scabridulosis remote denticulato ciliolatis; receptaculo 4-5 mm diam., alveolato alveolis cinereo-pilosulis marginibus alveolarum glabris; paleis 1-2 deciduis marginalibus chartaceis setaceosubulatis, 29-30 mm longis 0.5-0.75 mm latis, apice extusque scabridulis vel hispidulis intus glabris; floribus actinomorphicis stramineo-viridibus, 22-25 mm longis, tubo prismatico-cylindrico, 6-8 longo 2 mm diam. extus glabro intus fauce pilis albis hirsutulo-barbato (in statu sico ficte pilis patentibus in speciem extus tantum intus unde), lobis 5 erectis linearibus apice subobtusis incrassatocucullatis glabris, 16-18 mm longis 0.7-0.8 mm latis; filamentis filiformibus in orificio tubi affixis; antheris linearibus, 10.5-11 mm longis, appendicibus terminalibus late triangularibus acutiusculis, 0.5 mm longis, caudicibus sagittatis liberis inaequilateralibus lanceolatis subacutis, 1.3-1.4 mm longis; stylo pallido viridi, 43 mm longo papillato apice bifido extus scabridulo-papillato basi ab corona carnosa parce undulata 0.6-0.8 mm longa subtento; achaeniis lineariturbinatis, 6-8 mm longis 2 mm latis, 10-costatis glabris; pappo stramineorufescenti, 23 mm longo, 3-4-seriato, setis barbellatis.
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Discussion
TYPE: open rocky places by savanna bordering escarpment below Summit Camp above Middle Falls near Rio Tirica, Central Section, Chimanta Massif, Bolivar, Venezuela, 1925 m alt., February 5, 1955 Julian A. Steyermark & John J. Wurdack 511 (holotype NY, isotype F.). Paratypes: at edge of escarpment, east-central portion of summit of Apacara-tepm, Chimanta Massif, 2450-2500 .m alt., June 21-22, 1953, Steyermark 75922; northwest cumbres, Churi-tepuf (Murutepuf), Chimanta Massif, 2300-2350 m alt., February 3, 1953, Wurdack 34312 pp.