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Udotea argentea Zanardini Large sea fan tail |
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| Family: | Udoteaceae () | |||
| Max. size: | ||||
| Environment: | sessile; marine | |||
| Distribution: | Indo-West Pacific. | |||
| Diagnosis: | Thallus erect, consisting of a steel green to greyish, fan-shaped frond. Holdfast thick and bulbous. Frond composed of 1 or more series of overlapping flabellate or reniform segments, slightly to moderately calcified and arising from a short, slender stipe. Upper margins of segments finely divided in concentric zones. Blade-like filaments terete, repeatedly dichotomous and 45 to 70 μm in width; constrictions present, of unequal distances above the dichotomies. Determinate lateral branchlets stipitate, pinnately-alternate arranged, constricted at 1/3 to 1/4 of the distance from the main axis of the filament; ends of branchlets inflated and forming club-shaped or narrow bell-like structures. Thallus (excluding holdfast) up to 11 cm in height; holdfast to about 8 cm in length (Ref. 80758). | |||
| Biology: | Found in shallow areas, growing on hard, sandy, soft sandy or sandy muddy substrates (Ref. 80758). | |||
| IUCN Red List Status: | Not Evaluated (N.E.) Ref. 123251) | |||
| Threat to humans: | ||||
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