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Tylophora linearis P.I.Forst.
Family Apocynaceae
Tylophora linearis P.I.Forst. APNI*

Synonyms: Tylophora sp. sensu Jacobs & Pickard (1981) APNI*

Description: Woody small bush or herbaceous to woody liane; sap is clear; roots rhizomatous. Stems cylindrical, up to 3 mm diameter, glabrous or with scattered indumentum; internodes up to 4cm long. Axillary bracts evident at nearly every node; bracts very hairy with long white multicellular hairs.

Leaves petiolate; lamina linear-lanceolate, up to 5cm long and 3mm wide, dark green on both surfaces, venation obscure, glabrous; tip acute; base cuneate; margins with occasional hairs; petiole grooved along top, 1–2 mm long and c. 0.5 mm diameter, with sparse indumentum; extrafloral nectaries absent from lamina base.

Flowers dark purple inside with hairs dense, scattered or sparse, dark olive green on the outside with some hairs usually towards the tip; flowers 6–7 mm in diam., corolla lobes lanceolate to ovate, c. 3.5 mm long; in umbels of 3–8 flowers, usually simple, occasionally 2 together on a common peduncle; peduncles slender, 4–5 mm long,

Follicles fusiform, 95–100 mm long, c. 5 mm diameter, glabrous, seeds not seen.


Illustration
C. Wardrop

Habit
Photo P. Spark

Flower
Photo P. Spark

Flowering: Flowers spring.

Distribution and occurrence: Grows in dry scrubland that may have a eucalypt, Callitris glaucophylla and/or Allocasuarina luehmannii overtopping the scrub, in the Barraba, Mendooran, Temora and West Wyalong districts.
NSW subdivisions: NWS, CWS, NWP
Other Australian states: Qld
Threatened species: NSW TSCA: Vulnerable ROTAP: 3E
AVH map***

Text by G. J. Harden & J. B. Williams; update Louisa Murray (April 2014)
Taxon concept: Flora of NSW 1 (1990); Austrobaileya 6(4):941-947(2004)


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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