|
|
13. Pohlia pacifica A. J. Shaw, Contr. Univ. Michigan Herb. 15: 268, fig. 25. 1982.
Plants small, green, very glossy. Stems 0.3-1 cm. Leaves erect to ± spreading, lanceolate, 0.9-1.8 mm; ; margins serrulate to serrate in distal 1/3, coarsely serrate at apex; costa sub-percurrent; distal medial laminal cells linear-vermicular, 110-145µm, walls thin. Specialized asexual reproduction absent. Sexual condition dioicous; perigonial leaves ovate; perichaetial leaves differentiated, linear-lanceolate. Seta orange-brown. Capsule inclined 120-180°, brown to stramineous, pyriform, neck 1/3 urn length; exothecial cells short-rectangular, walls sinuate; stomata superficial; annulus present; operculum convex-conic; exostome teeth yellow-brown, narrowly triangular-acute; endostome hyaline, basal membrane 1/2 exostome length, segments , distinctly keeled, broadly perforate, cilia short to rudimentary. Spores 15-21 µm, finely roughened.
Capsules mature spring (Apr-Jun). Acid clay or sandy soil in disturbed places, stream banks, ditches; low elevations; B.C.; Calif., Oreg., Utah, Wash.
Pohlia pacifica is similar to P. lescuriana, but is distinguished by its glossy leaves and longer laminal cells. The perichaetial leaves of P. pacifica are up to 3.2 mm long.
Related Links (opens in a new window) |
Other Databases
|
|
|
|
|
|
|