Verbascum kurdistanicum Firat, 2015

Firat, Mehmet, 2015, Verbascum kurdistanicum (Scrophulariaceae), a new species from Hakkari, Turkey, PhytoKeys 52, pp. 89-94 : 90-92

Verbascum kurdistanicum Firat sp. nov. Figs 1 , 2

Type.

TURKEY. C9 Hakkâri: Berçelan Plateau, 37°40 ’57” N, 043°43 ’21” E, 2600-2800 m, limestone rocks and steppe, 21 July 2011, M. Fırat. 27584. (Holotype: VANF, Isotype: ANK, GAZI, HUB, VANF, E).

Diagnosis.

Verbascum kurdistanicum differs from Verbascum oreophilum and Verbascum pyramidatum by being biennial; having 8-30 (incl. petiole) × 2.5-4.5 cm, lanceolate, crenate basal leaves; linear-lanceolate calyx lobes; 4 stamens; two anterior filaments that are glabrous near apex; 10-15 × 6-8 mm, ovate to oblong capsule.

Description.

Biennial, 35-170 cm, densely stellate below, sparsely stellate, densely stalked glandular above. Stem robust, terete, erect, branched. Basal leaves 8-30 (inc. petiole) × 2.5-4.5 cm, mostly congested at base, densely rosulate, lanceolate, entire, distinctly undulate, obtuse, gradually attenuate at base. Cauline leaves 2.5-4 × 0.5-1 cm, oblong-lanceolate, entire, acute, decreasing in size towards the inflorescence racemose, ascending-erect. Bracts 2-3 × 1-2 mm, ovate-lanceolate, entire, acute, each bract with a solitary flower. Pedicels 5-10 mm. Bracteoles absent. Calyx 3-10 mm, divided almost to base, with linear-lanceolate acute lobes. Corolla 20-30 mm diam, yellow, tube 1-2 mm, with unequal and orbicular lobes, without pellucid-punctate glands, with sparsely stalked glandular, stellate outside. Stamens 4, 6-8 mm, filaments 5-6 mm, with purple-violet wool, two anterior glabrous near apex, anthers 1-2 mm, reniform. Ovary ovate. Style 5-7 mm, filiform. Stigma spathulate. Capsule 10-15 × 6-8 mm, ovate, densely stellate hairs, rarely soon glabrescent.

Flowering time June-July and Fruiting time July-August, limestone rocks and steppe, 2600-2800 m.

Vernacular name.

In Hakkâri Province, indigenous people use the name “Masîjark” for Verbascum ( Fırat 2013).

Figures

Figure 1. Verbascum kurdistanicum Firat: a habit b corolla c capsule.

Figure 2. Distribution map of Verbascum kurdistanicum (▲) and also closely related species Verbascum oreophilum (■) and Verbascum pyramidatum (●).