Asperula, (Griseb.) Ehrend. Dwarf

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1976, Flora Europaea. Volume 4. Plantaginaceae to Compositae (and Rubiaceae), Cambridge University Press : 13

Sect. THLiPHTHisA (Griseb.) Ehrend. Dwarf shrubs or perennial herbs, with woody taproot, without rhizomes or stolons. Leaves in whorls of 6—8(—11), elliptical to linear, 1-veined, obtuse to acuminate at apex. Inflorescence pyramidal to ovoid, leafy more or less throughout; partial inflorescences with bracts and bracteoles. Corolla 4-merous, infundibuliform to rotate, purplish, reddish, brownish, greenish, yellowish or whitish, externally smooth and glabrous or hairy. Ovary and fruit oblong, truncate at apex, glabrous and more or less granulate, rarely hairy.