Pohlia elongata Hedw.

Elongate pohlia moss (en)

Species

Bryophytes > Bryales > Mniaceae > Pohlia

Characteristics

Plants small to medium-sized, loosely caespitose to gregarious, green to yellow-green; terricolous. Stems 5-10(-20) mm long, reddish to reddish yellow, generally simple, sparsely tomentose below. Leaves longer and narrower above, forming comose tuft, appressed dry, erect-spreading wet; ovate-lanceolate, 1-2 mm long, becoming linear-lanceolate, 1.7-3.5 mm long at apex, forming distinct tuft; apex acuminate; margins generally plane but reflexed medially in upper leaves, entire below, generally denticulate at apex. Costa subpercurrent to percurrent; in section rounded, bulging dorsally, guide cells 2-4, occasionally with 1-2 ventral stereid cells, ventral surface cells large and weakly thickened but smaller than guide cells, dorsal stereid band 3-4 cells thick, frequently with hydroids below central guide cells, dorsal surface cells similar to ventral surface cells but more strongly thickened. Upper lamina cells mostly 4-10: 1, oblong-rhomboidal to linear, 37-100(-175) x 8-12 µm, weakly vermicular; basal cells weakly differentiated, linear to long-rectangular at insertion, walls straight. Autoicous. Perichaetia terminal, leaves ovate-acuminate, to 2 mm long. Seta erect, 10-30 mm long, yellow-brown; capsule generally ± asymmetrical, curved, inclined to horizontal, cylindrical-pyriform, 4-5 mm long, smooth, yellow-brown, neck ± distinct, mostly as long as urn; exothecial cells elongate-rhomboidal, weakly thickened, 2-3 rows at capsule mouth smaller, quadrate; stomata present on neck, phaneropore; annulus differentiated; peristome double, yellowish, exostome teeth narrowly triangular, finely papillose, endostome with low basal membrane, to one fifth height of teeth, segments broad, as high as teeth, cilia rudimentary to absent; operculum conic-apiculate; spores rounded, 18-25 µm, weakly papillose, light brown.
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Plants small, green, dull. Stems0.5-2.5 cm. Leaves erect to ± spreading, lanceolate to ovate-lanceolate, 2 mm; margins subentire or more often serrulate to serrate in distal 1/3; costa subpercurrent or percurrent; distal medial laminal cells hexagonal to rhomboidal, , 45-85 µm, walls moderately thick. Specialized asexual reproduction absent. Sexual condition paroicous, autoicous, or rarely dioicous; perigonial leaves in dioicous plants broadly short-ovate; perichaetial leaves somewhat differentiated, ± long-lanceolate. Seta orange to orange-brown. Capsule inclined 10-90°, stramineous, orange, or orange-brown, short-to long-and slender-pyriform, neck 1/2-1 time urn length; exothecial cells elongate-rectangular, walls straight; stomata superficial; annulus present; operculum conic; exostome teeth yellow to brown, acute-triangular; endostome hyaline, basal membrane barely exceeding capsule rim or to 1/3 exostome length, segments narrowly or not keeled, narrowly to not perforate, cilia absent to rudimentary, rarely long. Spores 16-23 µm, distinctly roughened.
Plants loosely caespitose. Stems 5-20 mm long. Leaves longer and narrower above, appressed when dry, ovate-lanceolate, 1-2 mm long, becoming linear-lanceolate, 1.7-3.5 mm long at apex, forming distinct tuft; apex acuminate; margins entire to denticulate at apex; costa subpercurrent. Upper laminal cells oblong-rhomboidal to linear. Capsule curved, asymmetrical, inclined to horizontal, cylindrical-pyriform, neck as long as urn; peristome with exostome teeth and endostome segments, cilia present, rudimentary or absent.
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Hardiness (USDA) 9-12

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Images

Pohlia elongata unspecified picture

Distribution

Pohlia elongata world distribution map, present in Brazil and South Africa

Identifiers

LSID 35120088
WFO ID wfo-0001157914
COL ID 4KWHZ
BDTFX ID -
INPN ID 4890
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Pohlia pulchella Webera paucifolia Bryum boissieri Pohlia acuminata Pohlia affinis Pohlia brachycarpa Pohlia paucifolia Pohlia pauperata Pohlia tenella Pohlia xanthocarpa Pohlia zacatecana Webera ciliifera Webera elongata Webera himalayana Webera leptocarpa Webera muelleriana Webera pauperata Webera spectabilis Webera zacatecana Bryum leptoblepharon Lamprophyllum elongatum Leskea elongata Bryum mielichhoferiaceum Bryum muellerianum Bryum spectabile Bryum cylindricum Pohlia arcuata Pohlia cylindrica Pohlia elongata Pohlia integridens Pohlia leptocarpa Pohlia muelleriana Webera ambigua Webera caespitosa Webera cylindrica Webera gracilicarpa Webera macrocarpa Bryum integridens Bryum polymorphum Mnium elongatum Pohlia polymorpha Brachymenium lineale Bryum alpinum var. macrocarpum Pohlia acuminata var. arcuata Pohlia acuminata var. tenella Pohlia elongata var. acuminata Pohlia elongata var. cylindrica Pohlia elongata var. macrocarpa Pohlia minor var. affinis Pohlia minor var. arcuata Pohlia minor var. brachycarpa Pohlia minor var. tenella Pohlia polymorpha var. acuminata Pohlia polymorpha var. affinis Pohlia polymorpha var. brachycarpa Webera alpina var. brachycarpa Webera elongata var. acuminata Webera elongata var. macrocarpa Webera polymorpha subsp. acuminata Webera polymorpha var. affinis Bryum elongatum subsp. acuminatum Bryum elongatum subsp. ambiguum Bryum elongatum var. macrocarpum Pohlia minor var. pulchella Pohlia elongata var. polymorpha Pohlia elongata var. elongata Webera integridens

Lower taxons

Pohlia elongata var. greenii Pohlia elongata var. pseudolongicalla