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FOC | Family List | FOC Vol. 19 | Rubiaceae | Galium

11. Galium consanguineum Boissier, Diagn. Pl. Orient., ser. 1. 6: 69. 1846.

卷边拉拉藤 juan bian la la teng

Galium consanguineum subsp. majmechense (Bordzilowski) A. D. Mikheev; G. majmechense Bordzilowski; G. verum Linnaeus var. consanguineum (Boissier) Boissier.

Herbs, perennial, often caespitose from a stout and woody rootstock with rhizomes. Stems erect, to 1 m tall, 4-angled, glabrous to puberulent at least at nodes, smooth. Leaves in whorls of 6-12, sessile; blade drying papery, linear-oblanceolate to linear, 20-28 × 1-3 mm, glabrous, more rarely ± hairy, base acute to straight, margin shortly to strongly revolute and usually antrorsely aculeolate, apex acute and mucronate; vein 1. Inflorescences narrowly paniculate with main stems and short lateral and terminal, few- to several- or many-flowered, rather congested cymes; peduncles glabrous, smooth; pedicels 0.5-3 mm, subtended by leaflike bracts. Ovary subglobose to obovoid, 0.5-0.8 mm, smooth, glabrous or ± hispidulous with straight hairs. Corolla yellow, rotate, ca. 3 mm in diam., glabrous, lobed for 3/4 or more; lobes 4(or 5), lanceolate-oblong, acute to acuminate. Mericarps ellipsoid to obovoid, ca. 1.5 × 1 mm, glabrous or ± hispidulous with straight trichomes. Fl. Jul-Aug, fr. Aug-Sep.

Thickets; [1300-]1700[-2800] m. Xinjiang [SW Asia (Armenia, Azerbaijan, Iran, Iraq, Lebanon, E Turkey)].

Galium consanguineum was treated as G. majmechense (a younger synonym) by W. C. Chen (FRPS 71(2): 269. 1999). It belongs to the polymorphic G. verum group or complex (see additional comments under that species) and apparently links it (as a hybrid taxon?) to more broadly leaved and glabrous members of G. sect. Orientigalium (Ehrendorfer et al., Fl. Iranica 176: 205-207. 2005). Galium consanguineum can be separated from G. verum by its broader (more than 2.5 mm), ± glabrous leaves, but intermediates occur.


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