Verbena macrostachya F.Muell. APNI* Synonyms: Verbena officinalis var. macrostachya (F.Muell.) Benth. APNI*
Description: Erect herb, c. 0.5–1 m high, mostly much-branched from base; branches quadrangular to almost rounded, moderately to densely hairy with simple, stiff antrorse hairs, moderately covered with pedicellate glandular hairs, glabrescent with age.
Leaves petiolate (petiole 6–20 mm long), or appearing sessile with lamina decurrent to base; lamina more or less elliptic to oblong-elliptic, 2.5–8 cm long, 0.8–2.5 cm wide, densely hairy with simple antrorse to spreading simple hairs and pedicellate glandular hairs; margin bluntly and deeply toothed; apex subacute.
Inflorescence mostly terminal, sometimes also axillary, with spikes slender; bracts almost as long as calyx. Calyx 4-toothed, 2–3 mm long. Corolla probably pale purple to pinkish lilac, or white, about 1.7–2 times as long as calyx; tube c. 2–2.5 mm long.
Mericarps c. 2 mm long.
Flowering: Flowering period not known, possibly throughout the year in response to rain.
Distribution and occurrence: Known as naturally occurring from the far NW of the State, North Far Western Plains and the NW Plains; also Qld. Collected from the margin of lakes and swamps.
NSW subdivisions: NFWP, NWP
Other Australian states: Qld
B. J. Conn (2004)
Text by B. J. Conn (2004)
Taxon concept:
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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