Common name: Mayne's Pest
Glandularia aristigera (S.Moore) Tronc. APNI* Synonyms: Verbena aristigera S.Moore APNI*
Verbena tenuisecta Briq. APNI*
Verbena tenera Spreng. APNI*
Description: Herb 0.1–0.6(-1) m high; stem and branches procumbent or decumbent, or erect, quadrangular, moderately hairy.
Leaves shortly petiolate or sessile, triangular in outline, shortly hairy, becoming glabrescent with age; lower leaves variously acutely serrate, 1- or 2-pinnatifid, mostly 3-pinnatifid, (1-) 2–7 cm long, 0.5–3 cm wide; ultimate segments uniformly linear to subulate; upper leaves incised to subentire, smaller than lower leaves, usually ± narrowly ovate; base ± acute; margin recirved; apex acute.
Inflorescence a lax terminal panicle with long branches ending in a spike; spikes usually solitary or several forming a corymb, pedunculate; with peduncle, bracts and calyx strongly glandular; bracts shorter than calyx. Calyx 5-toothed, 6–9 mm long, strigose-canescent. Corolla white to violet or purple, c. 1.5 times as long as calyx, tube 11–14 mm long.
Mericarps 3–3.5 mm long.
Flowering: Flowers mainly August–January
Distribution and occurrence: Distribution incompletely known; collected from NFWP and NWS. Also naturalised in S.A., Vic, and Qld; native to S. Amer. Naturalised; possibly a garden escape.
NSW subdivisions: *NC, *CC, *NT, *ST, *NWS, *CWS, *SWS, *NWP, *SWP, *NFWP
Other Australian states: *Qld *S.A.
Text by B.J. Conn (2007)
Taxon concept: B.J. Conn (1999)
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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