Atractantha shepherdiana a New Species of Woody Bamboo (Poaceae: Bambusoideae: Bambuseae) from Brazil

Authors: Santos-Gonçalves, Ana Paula; Filgueiras, Tarciso S.; Clark, Lynn G.

Source: Systematic Botany, Volume 36, Number 2, April-June 2011 , pp. 310-313(4)

Publisher: American Society of Plant Taxonomists

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Abstract:

, a new species of woody bamboo from Brazil, is here described and illustrated, and an identification key based on vegetative characters for all the species of the genus is provided. In its vegetative state, the new species resembles by having culms with a small central lumen. The new species differs from mainly because of the occurrence of tomentose-velvety ochre trichomes on the upper and lower portions of young internodes, pseudopetiolate blades of the culm leaves that are initially erect and later reflexed, and by the girdle with hirtellous-hispid dark-brown trichomes.

Portuguese
Atractantha shepherdiana , uma espécie nova de bambu lignificado do Brasil é descrita e ilustrada, e uma chave para as espécies do gênero baseada exclusivamente nos caracteres vegetativos é apresentada. Em estádio vegetativo, a nova espécie aproxima-se de A. amazonica por apresentar colmos com um lúmen central estreito. Distingue-se, principalmente, por apresentar entrenós jovens do colmo com tricomas ocre, aveludado-tomentosos, lâmina da folha do colmo pseudopeciolada, inicialmente ereta e posteriormente reflexa, e cinto (“girdle”) com tricomas hirtelo-híspidos, castanho-escuros.

Keywords: ARBOREAL RESTINGA; ATLANTIC FOREST; SOUTHEASTERN BRAZIL

Document Type: Research Article

DOI: http://dx.doi.org/10.1600/036364411X569507

Publication date: April 1, 2011

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