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Heliotropium tenuifolium

Family

Boraginaceae

Botanical Name

Heliotropium tenuifolium R.Br.

Brown, R. (1810) Prodromus Florae Novae Hollandiae: 494. Type: ?.

Stem

Stems ascending to spreading, up to 60 cm tall. Stems densely clothed in prostrate pale hairs.

Leaves

Leaf blades 3-10 x 1 mm, petioles nil or very short. Leaf blades densely clothed in prostrate pale hairs.

Flowers

Inflorescence simple to three-branched. Floral bracts narrowly ovate to subulate. Calyx with fine hairs on abaxial surface with longer hairs on margins. Outermost calyx lobes 2.8-3.8 mm long. Corolla 7-10.5 mm long, outer surface with appressed hairs, inner surface with long hairs in the throat; lobes 2.5-4.5 mm long. Ovary 0.3-0.4 mm long; style1-2.1 mm long

Fruit

Mericarps included in calyx.

Seedlings

Mericarps broadly ovate to suboblong, 0.8-1.2 X 0.6-1.1 mm, with white hairs in upper part.

Distribution and Ecology

Occurs in WA, NT, CYP, NEQ and CQ. Altitudinal range 1-500m. Grows in mixed open forest, deciduous vine thicket also in various types of grassland, wooded grassland and Eucalypt woodland.

WA

X

NT

X

CYP

X

NEQ

X

Herb (herbaceous or woody, under 1 m tall)

X

RFK Code

4031