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Oldenlandia mitrasacmoides (F.Muell.) F.Muell.
Family Rubiaceae
Oldenlandia mitrasacmoides (F.Muell.) F.Muell. APNI*

Synonyms: Hedyotis mitrasacmoides F.Muell. APNI*

Description: Ascending to erect annual herbs to 90 cm high, unbranched or much branched from base; branchlets glabrous or moderately hispidulous.

Leaves linear, 15–70 mm long, 0.2–2 mm wide, glabrous or sparsely hispidulous; base attenuate; apex acute or acuminate; margins recurved.

Flowers in lax terminal paniculiform cymes, paired or rarely 1 or 3 at nodes; peduncles unbranched or irregularly branched; pedicels 5–25 mm long; bracts leaf-like to 10 mm long. Calyx 1–2 mm diameter; lobes triangular, 0.5–1 mm long. Corolla white to pale mauve,glabrous outside, with a ring of hairs at base of lobes; tube 1–6(9) mm long; lobes ovate or elliptic, 1–4(6) mm long. Stamens partly or completely exserted from corolla tube. Style usually exserted from corolla tube.

Capsule sub globose or depressed obovoid, 1.5–3 mm long, 2–4 mm wide, slightly furrowed; 'beak' equal to or exserted from persistent calyx lobes. Seeds many, dish-shaped, oblong or broadly elliptic in outline; surface reticulate or reticulate-areolate.

Distribution and occurrence:
NSW subdivisions: NWP
Other Australian states: W.A. N.T. Qld
AVH map***

Text by Modified from Halford (1992) by K.L. Gibbons
Taxon concept: Halford, D.A. (1992) Austrobaileya 3(4); pp. 683–722.

One subspecies in NSW: Oldenlandia mitrasacmoides subsp. trachymenoides

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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