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Asperula acuminata I.Thomps.
Family Rubiaceae
Asperula acuminata I.Thomps. APNI*

Description: Erect herb to c. 20 cm high; stems sparingly branched, densely hairy; hairs slightly to moderately retrorse, recurved; internodes to 6 cm long.

Leaves and stipules of ± equal length in whorls of 6, spreading or angled forwards, narrow-elliptic to elliptic, or slightly obovate, 10–14 mm long, 3–6 mm wide; apex acuminate but not hyaline, a terminal hair or hairs present; midrib well defined above, slender below; lamina with scattered to dense minute antrorse hairs mostly restricted to midrib and nearer margin.

Inflorescence a terminal cyme of several to numerous flowers. Corolla white, glabrous, c. 2.0–2.5 mm long in male flowers, c. 1–1.5 mm long in female flowers. Anthers 0.3–0.4 mm long, c. as long as filament. Ovary c. circular in face view, c. 0.5 mm long in male flowers, 0.6–0.8 mm long in female flowers.

Fruit not seen.


Type
Specimen

Flowering: Mid–spring

Distribution and occurrence: Known only from the type collection from far north-eastern NSW. Growing in Eucalyptus propinqua H.Deane & Maiden and E. microcorys F.Muell. forest.
NSW subdivisions: NC
AVH map***

Appears to be most closely related to A. euryphylla based on overall leaf shape and in having whorls maximally 6-partite.

Text by Adapted from Thompson 2009 by K.L. Gibbons, Oct 2019.
Taxon concept: Thompson, I.R. (2009). A revision of Asperula and Galium (Rubieae: Rubiaceae) in Australia. Muelleria 27, p 63


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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