Creatures » » Plants » » Mosses » » Dicranaceae »

Holomitrium terebellatum C. Müller ex Renauld & Cardot 1893

Comprehensive Description

provided by North American Flora
Holomitrium terebellatum C. Mull.; Ren. & Card. Bull. Soc
Bot. Belg. 31 1 : 151. 1893. "Monoicous": stems flexuous, more or less branching, greenish-brown above, covered with reddish-brown tomentum below, 5-15 cm. long: stem-leaves mostly 9-10 mm. long, from an oblong-lanceolate, more or less spreading base, very gradually narrowed to a rather stout, spreading-flexuous point, crispate or spirally twisted when dry; leaf-margins of a single thickness of cells, serrulate about one half down and somewhat crenulate nearly to the base; costa percurrent or slightly excurrent, somewhat rough on the back near the apex, 80 /i wide or more a little above the base, in cross-section near the middle showing 5 or 6 guide-cells with thin stereid-bands above and below and no differentiated outer cells; alar and basal cells similar, very pale to yellowish-brown, mostly rectangular, with thin walls; cells next above more elongate, 100 p or more long, with quite uniformly thickened and pitted walls, extending about one sixth up the leaf, then mostly becoming much shorter, more irregular with greatly thickened walls to the apex of the leaf; median cells about 6 ju wide and 12-20 ft long, the marginal sometimes scarcely elongate; perichaetial leaves long-subulate, sometimes nearly equaling the seta: seta 2-3 cm. long: capsule (according to Renauld and.Cardot) oblong or cylindric, smooth; lid unknown; peristome-teeth red, lanceolate-subulate, entire.
Type locality: Forests of Barba, Costa Rica, at 2500-2700 meters. Distribution: Known only from the type locality.
bibliographic citation
Robert Statham Williams. 1913. (BRYALES); DICRANACEAE, LEUCOBRYACEAE. North American flora. vol 15(2). New York Botanical Garden, New York, NY
visit source
partner site
North American Flora