Halophila australis Doty & B.C.Stone

Species code: ha (en)

Species

Angiosperms > Alismatales > Hydrocharitaceae > Halophila

Characteristics

Marine, occasionally estuarine, submerged, dioecious, perennial herb. Rhizome fleshy, 1–2 mm diam.; scales glabrous. Leaves with petiole to 10 cm long; blade linear-lanceolate to narrowly elliptic, 25–70 mm long, 6–15 mm wide, entire, obtuse, glabrous; cross veins 10–16 pairs, forked. Spathal bracts 4–7 mm long. Male flowers with pedicel to 20 mm long at anthesis; tepals 5–7 mm long, imbricate, hooded; anthers oblong, 2.5–3 mm long. Female flowers on erect extended lateral shoots 5–15 cm long, with paired leaf blades 3–5 cm long; lateral shoots sometimes producing successive flowering shoots. Female flowers sessile; hypanthium 2–5 mm long; tepals 0.5–1 mm long; ovary ovoid, 1–2 mm long; styles 6, 6–20 mm long. Fruit ovoid, 7–13 mm diam. Seeds 40–60, subglobose, 0.5–0.75 mm diam.; testa reticulate.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality dioecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Growing on mud and on sand at depths of 2–35 m. 
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-11

Usage

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

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Halophila australis world distribution map, present in Australia

Conservation status

Halophila australis threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:431743-1
WFO ID wfo-0000769319
COL ID 3JFKM
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Halophila australis Halophila ovalis subsp. australis