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Althenia bilocularis (Kirk) Cockayne

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Names_Plants record source
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This is indigenous
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Indigenous, non-endemic
Wild
New Zealand
Political Region

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Cockayne
Kirk
(Kirk) Cockayne
1927
126
ICN
species
Althenia bilocularis

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bilocularis

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Submerged summer-green herb. Rhizome to 1 mm. diam., internodes 1–2 cm. long. Stems occ. branched, to 20 cm. long, filiform; internodes c. 1–4 cm. long. Lvs regularly alt.; lf-base at first sheathing stem, to 4 mm. long, fibrous in age; lamina c. 2.5–3.5 cm. × 1 mm., 1-(or 3-) nerved, entire, tip squarely truncate, nerve (or nerves) shortly excurrent. Fl. enclosed within lf-bases. ♂ on pedicel that elongates to 5 mm.; per.-segs mucronate, enclosing only extreme base of anther; stamen solitary; anther 2 × 0.6 mm., sessile, curved; pollen sacs 2, connective excurrent in short, sharp mucro. ♀ shortly pedicellate; per.-segs narrow-oblong, ± laciniate, c. 1.5 × 0.5 mm.; carpels us. 3, occ. 4, shortly stipitate; style narrower than ovary, stigma obliquely funnel-shaped with long-fimbriate margins. Achene c. 1.5–2 × 0.5 mm., asymmetrically oblong, yellow, smooth, narrowing above to style-remnant c. 1 mm. long. 2n = 12.

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New Zealand
Canterbury Land District
New Zealand
Nelson Land District
New Zealand
Otago Land District
New Zealand
Wellington Land District
New Zealand
Westland Land District

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f3d96992-5b53-47c2-be47-b9aa9a14c18d
scientific name
Names_Plants
14 January 2020
14 January 2020
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