Crataegus pseudoazarolus Popov

Dönmez, Ali A., 2014, Nomenclatural, taxonomic and biogeographic novelties in the Turkish Crataegus L. (Rosaceae-Maleae) taxa, Adansonia (3) 36 (2), pp. 245-253 : 248-249

Crataegus pseudoazarolus Popov

Trudy po Prikladnoi Botanike 22: 442, fig. 101 (1929). ( Crataegus azarolus var. pontica × Crataegus pentagyna ).

— Typus: Kalinskiy s.n., Kopet-Dagh, Aidere , Popov s.n. (holo-, LE!).

Crataegus nikitinii Essenova , Novitates Systematicae Plantarum non Vascularium 13: 160, fig. [1] (1976).

— Typus: Essenova s.n. (holo-, ASH ; iso-, LE!).

Crataegus × androssovii Essenova & Kerimova , Novitates Systematicae Plantarum nonVascularium 14: 122, fig. 1, 2 (1977).

— Typus: Essenova & Kerimova 15 (holo-, ASH ; iso-, LE!).

Crataegus cinovskisii Kassumova , Botanicheskii Zhurnal (Moscow & Leningrad) 70: 266 (1985).

— Typus: Kassumova s.n. (holo-, BAK).

CHROMOSOME NUMBER. — 2n (4x) = 68.

PHENOLOGY. — Flowering in May, mature fruit in August to October.

DISTRIBUTION. — Nakhichevan and Kopet-Dagh in Turkmenistan: on mountain slopes, in scrub with Cerasus , Cotoneaster , Rhamnus , Quercus in vineyards and roadsides; 500-1600 m.

SPECIMENS EXAMINED. — Turkey. Şırnak, Günyüzü village, c. 1700 m, 29.V.2002, A.A.Dönmez 10759 – B. Mutlu (flowering material) ; Beytüşşebap, below Başaran village, road side, 1146 m, 37°28’328”N, 38°08’488”E, 27.IX.2002, A.A.Dönmez 11140 (fruiting material).

DESCRIPTION

Small tree or shrubs up to 6 m tall. Twigs densely to sparsely lanate-tomentose or lanate; thorns up to 15 mm long, rare. Buds 2.0-3.0 mm long, 1.8- 3.0 mm in diameter. Leaf blades more or less coriaceous, dark or bright green and more or less villose to appressed-pubescent above, more or less greyish green and more or less villose to appressed-pubescent throughout or only in vein axils beneath, cuneate or attenuate at base, lobes acute, margin coarsely crenate-serrate, basal pair of veins straight or divergent. Subterminal leaf blades of flowering shoots 3.2-4.5 cm long, 2.7-4.6 cm wide, lobes 2-3 pairs, basal pair 3.0-4.1 times as long as wide, extending 0.8-0.9times the width of lamina to midrib,each lobe with 1-5 teeth in the distal 2⁄5-1⁄9,basal pairs of sinuses in the basal 3⁄10-1⁄5 of lamina; petioles 7-15 mm long, 0.2-0.5 times as long as lamina; stipules 5-10 mm long, entire or with 3-6 teeth. Subterminal leaf blades of short shoots 4.0- 5.1 cm long, 3.2-4.9 cm wide, lobes 2-3 pairs, basal pairs 3.0-3.7 times as long as wide, extending 0.8-0.9 times the width of lamina to midrib, each lobe with 3-8 teeth in the distal 3⁄10-1⁄5, basal pairs of sinuses in the basal 2⁄5-1⁄5 of laminas; petiole 12-35 mm long, 0.3-0.7 times as long as lamina. Leaf blades of elongate shoots 3.7-5.0 cm long, 4.1-5.0 cm wide, lobes 2-3 pairs, basal pair 2.3-3.0 times as long as wide, extending c. 0.9 times the width of lamina to midrib, each lobe with 4-6 teeth in the distal 1/3-1/4, basal pair of sinuses in the basal 1⁄5-1⁄10 of lamina; petioles 10- 18 mm long, c. 0.4 times as long as lamina; stipules 8-14 mm long, entire or with 1-2 teeth. Inflorescence corymbose, 6-25 flowered, more or less lax, more or less lanate-tomentose or lanate; pedicels 2-17 mm long, more or less lanate-tomentose or lanate; bracts 2.1-2.6 mm long, 0.2-0.4 mm wide, 7.5-12.0 times as long as wide, caducous, margin with 0-2 teeth; sepals 1.2-2.1 mm long, 2.3-3.0 mm wide, broadly triangular, 0.5-0.8 times as long as wide, margin entire, apex obtuse or subacute; petals 4-5 mm long, c. 6 mm wide; stamens 15-20, anthers purple; styles 3-4 (-5). Fruit 7-18 mm long, 9-22 mm in diameter, 0.5-1.3 times as long as wide, depressedglobose or subglobose, orange to blackish red, more or less lanate-tomentose or lanate, crowned by the persistent, recurved or suberect sepals; pyrenes 3-4 (-5), dorsally sulcate, ventro-laterally more or less sulcate or smooth, hypostyle pilose.

REMARK

The species is the first record for the Turkish flora. It grows naturally in mountainous areas of Şırnak in eastern Turkey. The examined individuals have plenty of mature fruits. According to the IUCN (2001) criteria, the Turkish population of the species has no threat for extinction.