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Pakistan | Family List | Pakistan V. 205 | Polygonaceae | Polygonum

6. Polygonum thymifolium Jaubert & Spach, Ill. Pl. Or. 2: t. 116. 1844; Kom., Fl. URSS 5: 603. 1936; Rech.f. & Schiman-Czeika in Rech. f., Fl. Iran. 56: 69. 1968; R.R.Stewart, Ann. Cat. Vasc. Pl. W. Pak. & Kashm. 209. 1972.

Polygonum kotschyanum Boiss., Fl. Or. 4: 1040. 1879.

Erect, up to 25 cm high, densely puberulous-papillose, perennial or glabrous, branched undershrub. Stem branched, short, hard and woody, rough with short hairs, young branches densely leafy. Leaves 3-13 x 2.5-5 mm, lanceolate-ovate or oblanceolate, acuminate to long acuminate (-cuspidate), entire with recurved margin, sessile. Ochreae 5-8 mm long, lanceolate-ovate, fimbriate, glabrous, binerved but the nerves not strong. Inflorescence in lax-dense fascicles. Flowers 1.5-2.0(-3) mm across, pedicellate to subsessile, pedicel up to 1.5 mm. Ochreolae small, tubular, fimbriate. Tepals 5, tube longer than lobes, lobes rotate, acute, oblanceolate-obovate or lanceolate. Ovary 1.5-2.0 x 1-2.0 mm, trigonous, with three styles and capitate stigmas. Nuts 2.50-3.0 x 2.0-2.5 mm, trigonous, acute, black, glabrous.

Fl. Per.: June-August.

Syntypes: In Persia australi, inter Chiraz et Fasa, Aucher-Elloy 5276 (P), Delessert (P) and Webb (FI,B).

A very distinct taxon in general habit, with Thymus-like leaf shape and arrangement, thus giving an impression of Thymus. An Irano-Turanian element, seems to be rare in our area; Distribution: Afghanistan, Iran and Pakistan.


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