Marsilea oligospora Goodd.

Pacific waterclover (en)

Species

Pteridophytes > Salviniales > Marsileaceae > Marsilea

Characteristics

Plants forming dense clones. Roots arising at nodes. Petioles 3.1--5.7 cm, sparsely pubescent. Pinnae 6--15 × 5--14 mm, pilose. Sporocarp stalks erect, unbranched, attached at base of petiole, sometimes bent near apex, 5--10 mm. Sporocarps nodding, 5--6 × 3.6--4 mm, 1.5 mm thick, ovate in lateral view, covered with long straight hairs when young but eventually glabrate; raphe 0.8--1 mm, proximal tooth 0.2--0.6 mm, curved away from sporocarp, distal tooth up to 0.4 mm, broad, blunt or absent. Sori 14--20.
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Growth form herb
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Foliage retention deciduous
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Hardiness (USDA) 4-9

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Cultivation

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Distribution

Marsilea oligospora world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:280438-2
WFO ID wfo-0001110221
COL ID 3Y9BN
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Marsilea oligospora