Trichomanes pyxidiferum L.

  • Authority

    Mickel, John T. & Smith, Alan R. 2004. The pteridophytes of Mexico. Mem. New York Bot. Gard. 88: 1-1054.

  • Family

    Hymenophyllaceae

  • Scientific Name

    Trichomanes pyxidiferum L.

  • Description

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    Species Description - Rhizomes slender, long-creeping, 0.5–0.8 mm diam.; rhizome hairs dense, black, 0.5 mm long; roots present; fronds 3–10 cm long, distant; stipes ca. 1/3 the frond length, blackish, with dense, black hairs 0.5 mm long at bases, running up stipes along two margins, alate 3/4 to all the way to base; blades 2–3-pinnate, 1.5–1 cm wide, not reduced at bases, apices pinnatifid; rachises alate; pinnae 4–10 pairs, oblique, nearly glabrous with scattered to rare minute glandular hairs; ultimate segments linear, 0.8–1 mm wide, obtuse, margins entire, often drying with long narrow "folds" parallel to the veins, giving the appearance of false veins; veins free, false veins absent; involucres immersed in blade tissue, 1.5–2 x 1 mm, mouths flaring, 1.3–1.5 mm wide, concolorous, not bilabiate.

  • Discussion

    Vandenboschia pyxidifera (L.) Copel., Philipp. J. Sci. 67: 53. 1938. Type. Plumier, Traite´ Foug. Ame´r., pl. 50E, 1705, illustrating a plant from Haiti. Trichomanes cavifolium Mu¨ll. Berol., Bot. Zeitung (Berlin) 12: 753. 1854. Type. Mexico. Schiede s.n. (B?).

    Trichomanes pyxidiferum is similar to T. hymenophylloides, but the ultimate segments are wider (0.8–1 mm) and the rhizomes and stipes have dense black hairs; the former is found at lower elevations (450–1400(–1700) m).

  • Distribution

    Epiphytic or terrestrial in wet montane forests; 450–1400(–1700) m. Mexico; Guat, Bel, Hond, Nic, CR, Pan; Gr Ant; Col, Ven, Guy, Sur, Fr Gui, Ec, Peru, Braz, Bol; Africa.

    Mexico North America| Africa| Bolivia South America| Brazil South America| Peru South America| Ecuador South America| French Guiana French Guiana South America| Suriname South America| Guyana South America| Venezuela South America| Colombia South America| West Indies| Guatemala Central America| Belize Central America|