Micropterygium campanense Spruce ex Reimers

  • Authority

    Fulford, Margaret H. 1966. Manual of the leafy Hepaticae of Latin America--Part II. Mem. New York Bot. Gard. 11: 173-276.

  • Family

    Lepidoziaceae

  • Scientific Name

    Micropterygium campanense Spruce ex Reimers

  • Description

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    Species Description - Leafy stems of small to medium size, compact in tufts or mats, yellow-brown, scarcely flattened, prostrate from a branched rhizome system; stems 1-1.5 mm long, with leaves, to 0.7-1.0 mm broad, lateral branches occasional. Leaves spreading, ascendent in the outer part, broadly ovate, to 0.5 mm long, concave, ridge-keeled in the upper part, the wing of three to five rows of cells extending from the apex to the middle of the leaf or less, the margins crenulate and distantly serrate; cells of the apical portion more or less round-quadrate, 12-15 µ, the walls thin, trigones small but distinct, the outer surface convex and bearing a conspicuous mamilla, the cuticle smooth. Underleaves large, orbicular to obovate, broader than the stem, concave, the upper margin with two to four obscure lobes or teeth. Inflorescences and sporophyte not seen. Pl. 60. Fig. 12, a-c.

  • Discussion

    Micropterygium campanense Spruce nom. nud. Trans. Proc. Bot. Soc. Edinb. 15: 385. 1885.

  • Distribution

    Habitat: Sandy banks along streams, bases of trees, rocks, logs, and stumps, in the rain forest. VENEZUELA : Amazonas: Rio Orinoco, Cerro Yapacana, Cumbre, 1200 m, Maguire, Cowan, Wurdack 30695 [male] (NY); Rio Cunucunuma, 1200 m, Maguire, Cowan, Wurdack 29911 [male] (NY); Estado Bolivar: se Cerro Venamo, Rio Venamo, 1000 m, Steyermark & Dunsterville 92269 p.p. (VEN); Auyan-tepui, tributary of Rio Chunin, 1760 m, Steyermark 93360 p.p. (NY). PERU: Mt. Campana, Spruce, Hep. Sprue, (isotype NY).

    Venezuela South America|