Orthostichopsis subimbricata (Hampe) Broth.

Species

Bryophytes > Hypnales > Pterobryaceae > Orthostichopsis

Characteristics

Plants medium-sized to long and slender, pendent, green to yellow-green; corticolous. Primary stem long-creeping; secondary stem long-pendent, up to 150 mm long; branching irregular, subdistichous, up to 25 mm long; in section round to oval, central strand absent, inner cortical cells thin-walled, yellowish, in 4-6 rows, outer cortical cells smaller, thick-walled, red-brown, in 3 or 4 rows; paraphyllia absent; pseudoparaphyllia filamentous. Leaves somewhat crowded, concave, erect to spreading wet, ± appressed dry; stem leaves elliptical to ovate, 1.9-2.5 mm long; acuminate, hair-pointed; rounded to cordate at base; margins broadly inflexed above, serrulate above; branch leaves similar to stem leaves but somewhat smaller, 1.5-2.2 mm long; subulate and hair-pointed; cordate at base; margins broadly inflexed above, serrulate above. Costa single or forked, ending below apex, smooth; ventral surface cells elongate; dorsal surface cells elongate; in section flat, consisting of 6-8 undifferentiated cells. Upper laminal cells linear, weakly sigmoid, homogeneous, 37-62 µm long, 3-6 µm wide, walls incrassate and pitted, smooth; basal cells rectangular, 40-50 µm long, 6-8 µm wide, yellowish, walls incrassate and pitted, smooth; alar cells strongly differentiated, quadrate, yellow-brown, walls incrassate and pitted. Dioicous? Perigonia not seen. Perichaetia not strongly differentiated, green; perichaetial leaves convolute, acuminate, 1.2 mm long. Sporophyte not known from southern Africa but capsule described as immersed.
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Cultivation

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Distribution

Orthostichopsis subimbricata world distribution map, present in South Africa

Identifiers

LSID 35172898
WFO ID wfo-0001189071
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INPN ID 826007
Wikipedia (EN)
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Synonyms

Pilotrichella chrysoneura Pilotrichella subimbricata Neckera chrysoneura Neckera subimbricata Orthostichopsis subimbricata