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Volume IV (1988) - Flora of New Zealand Naturalised Pteridophytes, Gymnosperms, Dicotyledons
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Prunella L.

PRUNELLA L.

Perennial herbs with short rhizomes. Lvs simple, entire to pinnatisect. Verticels mostly few-flowered, forming a dense, terminal, oblong spike. Bracts large but not resembling lvs. Calyx tubular-campanulate, not gibbous at base, strongly 2-lipped, 10-nerved or venation reticulate without prominent main veins, closed at fruiting; upper lip with 3 short teeth; lower lip with 2 long teeth. Corolla 2-lipped; tube > calyx, straight, obconic, with ring of hairs inside; upper lip hooded, entire; lower lip 3-lobed, with middle lobe denticulate. Stamens slightly exserted. Filaments with short, subulate appendage below apex; anther cells diverging. Style gynobasic, its branches equal. Nutlets ovoid to elliptic or oblong, longitudinally ribbed.

Key

1
Lvs usually entire or shallowly toothed; calyx teeth lanceolate; corolla usually violet, rarely pink or white
1. *vulgaris
Lvs pinnately and narrowly lobed, sometimes lobes shallow at base; lower calyx teeth linear-lanceolate; corolla pink or cream
*laciniata ζ

7 spp., N. temperate. Naturalised spp. 2.

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