Dwarf perennial often mat-forming herb with an elongated rhizome that is much branched in its upper part, each branch ending in a leaf-rosette.. Leaves usually very densely set, sessile or subpetiolate, oblanceolate to narrowly obovate or spathulate, 5–20(–50) mm. long, 1.5–7(–11) mm. wide, acute to subacute with attenuate to cuneate base, ± hirsute; margin cartilaginous, ± undulate-dentate; midvein prominent beneath, lateral veins often obscure.. Flowers solitary from leaf-axils, sessile or very shortly pedicelled; pedicels usually much elongated in fruit and up to 10 cm. long.. Hypanthium hemispherical, 10-nerved, glabrous.. Calyx-lobes 1.2–3.6 mm. long, entire.. Corolla 4–6.5 mm. long, white or pale blue with darker veins, lobed to about 1/3 of the length, puberulous inside near the base; tube 2.5–4 mm. long.. Stamens with filament-bases narrowly triangular or almost linear, glabrous; anthers 0.5–1 mm. long.. Ovary subinferior, 3-locular; style shorter than the corolla, eglandular, glabrous below; lobes 3, ± 0.4 mm. long.. Capsule 3-locular, hemispherical, 10-nerved; valves 3, short.. Seeds elliptic in outline, ± compressed, ± 0.6 mm. long; testa reticulate.. Fig. 2/L, V, p. 6.
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