Stereophyllaceae

Pilosium chlorophyllum (Hornschuch) C. Müller in Brothereus

Kingdom: Plantae Rank: Species Parent: Pilosium Status: Valid

Morphological Description

Diagnosis: Stems creeping, to 6 cm long. Dorsal leaves erect, oblong-ovate, 1.3-1.6 mm long, lateral leaves wide-spreading, oblong-lanceolate, 1.5-2 mm long, cultriform, obtuse to short-acute; cells linear, 90-150 µm long, porose or not; alar cells strongly differentiated in lateral leaves, numerous, 25-90 × 14-28 µm, oblong, often colored, ± inflated, porose, dorsal leaves with few differentiated cells, 12-24 × 9-12 µm, quadrate to subquadrate. Setae 1.5-1.8 cm long; capsules short-cylindric, orange-red, 0.8-1.2 mm long. Spores 7-9 µm diameter.

Other

Distribution: U.S (SW North Carolina); Mexico; Central America; Caribbean, South America

Ecology: Typically growing on rotten logs, less often on tree bases, litter or rocks, in humid forest, mostly below 400 m.

Typification

Basionym: Hypnum chlorophyllum Hornsch.

Basionym Citation: Flora Brasiliensis 1(2): 89. 1840.

Other Published Figures: W. R. Buck. 1998. Pleurocarpous mosses of the West Indies. Plate 111 (1-7).