Australian Tropical Rainforest Plants - Online edition

Afrohybanthus stellarioides (Domin) Flicker


Herb (herbaceous or woody, under 1 m tall)
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Flowers. © CSIRO
Flower and Leaves. © G. Sankowsky
Leaves and flowers. © CSIRO
Herbarium specimen. © CSIRO
Family

Flicker, B.J. & Ballard, H.E. (2015) Phytotaxa 230(1): 50.

Common name

Spade Flower

Stem

Annual herb to 30 cm tall. Stems with scattered antrorse to divaricate hairs.

Leaves

Leaves subsessile, leaf blade 12-80 x 2-8 mm, entire with occasionally a few marginal teeth, margins recurved never revolute, margins ciliate, hairs antrorse. Stipules 0.8-1 mm long, adpressed against stem, short, papery, opaque, margins ciliate.

Flowers

Flowers solitary in leaf axils; peduncle filiform, 3-13 mm long; bracts triangular, 0.6-1 x 0.3 mm; pedicels 2-4.5 mm long; sepals lanceolate-ovate, 2.5-4.5 x 0.8-1.2 mm. Corolla yellow to orange; anterior petal spathulate, 10-14 x 5-9.5 mm; outer lateral petals linear-oblong, 3-4.2 x 1.3-1.5 mm; inner lateral petals lanceolate-falcate, 4-5 x 1.8-2 mm. Filaments filiform, dimorphous, 3 posterior and 2 anterior with hair-tipped nectaries.

Fruit

Capsules 5.5-7.5 x 3-6 mm. Seeds 5-10, ovoid-ellipsoid, 1.8-2.2 x 1.2-1.4 mm, longitudinally ribbed and ca. pitted between the ribs, yellow.

Seedlings

Features not available.

Distribution and Ecology

Occurs in CYP, NEQ, CEQ and southwards as far as coastal central New South Wales. Altitudinal range from near sea level to 1000 m. Grows in rocky open places in Eucalypt forest, various types of woodland, heathland and in wooded grassland.

Synonyms
Hybanthus enneaspermus var. stellarioides Domin, Bibliotheca Botanica 89(4): 983(1921), Type: Nordost-Queensland: Hugel bei Yarraba, auf Felsen in einer Hohe von ca. 550 m sowie am Waterfall Creek bei Yarraba, in der Randzone der Savannenwäl.  Hybanthus stellarioides (Domin) P.I.Forst.Muelleria 8(1): 18 (1993).
RFK Code
4170
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