Najas kurziana Rendle

Species

Angiosperms > Alismatales > Hydrocharitaceae > Najas

Characteristics

Up to 15 cm, lower internodes 1-2 cm by 0.5-0.7(-0.8) mm. Leaves 1.5-2 cm by 0.45-0.95 mm, flat (and thin), apex rounded to obtuse (blade c. 3 mm below the tip 0.4-0.7 mm in width); margin on either side with 30-60 inconspicuous teeth, mainly consisting of the spine-cell, dorsal surface unarmed; spine-cells 0.05-0.1 mm, all (dark) brown; midrib 0.07-0.05 as wide as the blade, cavities occupying O.1-0.5 of the width of the blade, often with distinct septa. Sheath on either side with (3-)5—12 spines, often 1-3 on the inner edge of the auricle, 1.7-2.4 by 1.3-2.2 mm; auricles (broad-)triangular to long-triangular, subentire, tip obtuse or more or less rounded, (0.2-)0.5-0.8 by 0.3-0.5 mm. Female flowers mostly up to 5 together, in different stages, often with 1 male, or male solitary. Spathe of male flower 0.9-1(-1.2) mm, neck mostly cylindrical, 0.3-0.4(-0.5) mm, tip almost truncate, entire to slightly lobed; anther 1-celled, oblong, (0.3-)0.4-0.7(-1) by (0.1-) 0.15-0.25 mm; 'perianth lobes' inconspicuous. 'Pedicel' 0.1-0.2(-0.3) mm, in anthesis c. 0.8 mm. $ Flowers espathaceous, c. (1-)1.4 mm; ovary c. (0.4-)0.5 by 0.2 mm; style 0.3-0.5 mm, with 2(-1) stigmas 0.3-0.4 mm. Seeds 1-1.2 mm by 0.35(-0.4) mm; testa with 16-18 length-rows of 18-26 subquadrate or 5-6-angular areoles.
Life form annual
Growth form herb
Growth support -
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Sexuality monoecy
Pollination -
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Mature width (meter) -
Mature height (meter) 0.15
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Environment

Light -
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Hardiness (USDA) 8-12

Usage

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

Cultivation

Mode -
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Distribution

Najas kurziana world distribution map, present in Indonesia, India, Malaysia, and Timor-Leste

Identifiers

LSID urn:lsid:ipni.org:names:603025-1
WFO ID wfo-0000769519
COL ID 45KZS
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Najas kurziana