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Information Robust perennial herb up to 1 m. tall. Stems erect or decumbent, terete, reddish, leafy. Leaves up to 6 x 1·5 cm. (in F.Z. area), broadly to narrowly elliptic or lanceolate, ± epetiolate, often shortly acuminate at the apex, cuneate, obtuse or cordate at the base; lamina surfaces and margin almost always dotted with irregular blackish glands. Racemes up to 30 cm. long, spicate, lax or congested, terminal and axillary. Pedicels up to 5 mm. long (in fruit), each subtended by a bract 2–3 mm. long. Flowers covered with short–stalked glands on all parts, especially on inner surface of calyx and corolla and on stamens. Calyx divided almost to the base; lobes c. 2·5 mm. long, oblong–elliptic. Corolla c. 3·8 mm. long, campanulate, white, pink or mauve; lobes equalling or slightly longer than calyx, elliptic. Stamens c. 2 mm. long, inserted in a ring below the corolla lobes; connective produced above the anther into a fleshy apiculus. Ovary c. 1 mm. long, globose, with style c. 1 mm. long. Capsule 3–4(5) mm. in diameter, globose, dehiscing by 5 valves, these remaining erect, not recurving. Seeds 0·8–1 mm. long, ± tetrahedral, blackish, smooth or minutely granular.

Information Rootstock short and woody, with very numerous wiry roots. Stems erect or decumbent, few to very many, up to 1 m. high, terete, usually strongly tinged with red below. Leaves alternate or subopposite, varying from broadly elliptic to lanceolate, acute, basally cuneate, obtuse or auriculate, green above, glaucous beneath, with numerous irregular-shaped punctate blackish glands. Flowers in congested or lax terminal racemes from 1 to 50 cm. in length; pedicels 1–3 (–5) cm. long. Calyx-lobes oblong, 2–3 mm. long at anthesis, 3–4 mm. long in fruit; apex obtuse, acute or rarely acuminate. Corolla subcampanulate, white or pink, about equal to or slightly longer than the calyx. Capsule globose, 3–4 mm. in diameter; style persistent. Seeds numerous, 3–angled, about 1 mm. long. Fig. 2, p. 6.

Information Perennial herb, sparsely branched, up to 1 m tall. Leaves alternate or opposite, lanceolate to ovate, up to about 7 cm long and 8-22 mm broad, sessile or subsessile to slightly sheathing at the base, glabrous. Inflorescence racemose, simple or with few lateral branches from the axils of uppermost leaves; racemes up to 20 cm long, dense, glabrous or minutely pubescent; rhachis often ribbed; bracts linear-lanceolate, longer than the pedicels, 3-8 mm long. Calyx glabrous or puberulous outside, divided nearly to base; segments oblong, 3-4 mm long, obtuse, slightly keeled towards base. Corolla dirty-white, 3-4 mm long, tubular in the lowest 1/3; lobes oblong, obtuse, irregularly minutely toothed round apex, slightly hooded. Stamens inserted on corolla at base of the lobes with very short filaments, the bases of which form a thickening round the corolla tube; anthers versatile, apiculate. Ovary globose with a style about 1 mm long, persistent, slender and slightly elongated in fruit.

Information Creeping, glandular-punctate herb often rooting at nodes, glabrous; stems simple, rarely branched. Leaves 10–15 x 5–7 mm., obovate-cuneate to spathulate-oblong, entire or occasionally subcrenulate particularly towards apex, obtuse, glandular-punctate. Flowers solitary, axillary, blue, pedicellate, bracteate. Pedicels up to 25 mm. long at fruiting, always exceeding leaves. Bracts 2–3 mm. long, oblong. Calyx with lateral segments narrow, oblong; posterior 4–6 x 3–4 mm., broadly ovate; anterior c. 5 x 2.5 mm., ovate; no segments markedly prominently nerved. Corolla 6–7.5 mm. long, subequally 5-lobed. Capsule 2–2.5 mm. long, ovoid.