Zostera muelleri subsp. muelleri Irmisch ex Asch. APNI* Synonyms: Zostera muelleri Irmisch ex Asch. subsp. muelleri APNI*
Description: Monoecious, submerged rhizomatous perennial seagrass with flowering stems to 60 cm long.
Leaves with blade to 30 cm long and 5 mm wide, 3–5-veined, apex notched and obtuse; sheath open, to 10 cm long, 5 mm wide, with membranous margins.
Inflorescence produced from older rhizomes. Spathes similar to leaves, to 30 cm long, the blade often deciduous after flowering. Spadix with 7–12 flowers of each sex; retinacula triangular to obliquely ovate, c. 1 mm long.
Seeds elliptic, 2–3 mm long, striate, shed from floating inflorescence.
Flowering: Flowers during warmer months.
Distribution and occurrence: Grows in submerged marine or estuarine habitats, often exposed at low tide; south from Currarong.
NSW subdivisions: SC
Other Australian states: Vic. Tas. S.A.
Text by S. W. L. Jacobs
Taxon concept: Flora of NSW 4 (1993)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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