Najas guadalupensis subsp. olivacea (Rosend. & Butters) R.R.Haynes & Hellq.

Guadalupe waternymph (en)

Subspecies

Angiosperms > Alismatales > Hydrocharitaceae > Najas > Najas guadalupensis

Characteristics

Stems 15--40 cm ´ 1--2 mm. Leaves 0.9--1.8 cm; sheath 2.5--3.4 mm wide, apex rounded to truncate; blade 1.5--2 mm wide, teeth 20--40 per side, invisible to unaided eye, apex acute. Flowers 1 per axil. Staminate flowers 2.3--2.8 mm; anther 4-loculed. Pistillate flowers 2.7--3.1 mm. Seeds 2.3--2.5 ´ 0.6--0.8 mm; aeroleareoles of testa in 20--40 longitudinal rows. Chromosome number unknown not available.
Life form annual
Growth form herb
Growth support -
Foliage retention -
Sexuality monoecy
Pollination -
Spread -
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Nitrogen fixer -
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Environment

Light -
Soil humidity -
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Hardiness (USDA) 4-9

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
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Distribution

Najas guadalupensis subsp. olivacea world distribution map, present in Canada, Micronesia (Federated States of), and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:993242-1
WFO ID wfo-0000769506
COL ID 7KCGR
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Najas olivacea Najas guadalupensis var. olivacea Najas guadalupensis subsp. olivacea