Pinnatella minuta (Mitt.) Broth.

Species

Bryophytes > Hypnales > Neckeraceae > Pinnatella

Characteristics

Plants small to medium-sized, scattered or forming loose colonies, green; saxicolous or corticolous. Primary stems creeping; secondary stems erect, 8-12 mm long, dendroid, branching irregular and ± complanate above stipe; in section oval, central strand absent, inner cortical cells thick-walled, yellow, in 6-8 rows, outer cortical cells somewhat smaller, thick-walled, yellow-brown; paraphyllia absent; pseudo-paraphyllia foliose. Leaves evenly spaced, widespreading wet, somewhat crisped and incurved dry, concave; stem leaves ovate to broadly ovate, 1 mm long; obtuse, rounded-obtuse or acute; rounded to cordate at base; margins plane, entire below, weakly serrulate at apex; branch leaves ovate or ovate-elliptical, 0.4-0.6 mm long; obtuse to rounded or broadly acute; rounded at base; margins plane or erect, entire below, weakly serrulate at apex. Costa single, subpercurrent, smooth, frequently spurred above; in section bulging dorsally, consisting of 3 or 4 rows of undifferentiated, thickened cells. Upper laminal cells irregularly rounded-quadrate, homogeneous, 6-12 µm long, walls thickened, smooth on both surfaces; basal cells oblong, forming distinct group, 30-38 µm long, 5-7 µm wide, walls thickened, smooth; basal marginal cells small, quadrate, in 1 or 2 rows; alar cells not differentiated. Sporophyte not known from the study area.
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Hardiness (USDA) 8-12

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Distribution

Pinnatella minuta world distribution map, present in Brazil and South Africa

Identifiers

LSID 35109757
WFO ID wfo-0001152251
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INPN ID 726887
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Hypnum africanum Thuidium filiforme Porotrichum chenagonii Porotrichum dupuisii Porotrichum geheebii Porotrichum herpetineuron Porotrichum oblongifrondeum Porotrichum regulare Pinnatella jamaicensis Pinnatella le-testui Pinnatella minuta Pinnatella ochracea Hypnum rotundifrondeum Porotrichum engleri Porotrichum minutum Porotrichum paraguayense Neckera pechuelii