Fraxinus in Flora of Pakistan @ efloras.org

Fraxinus Linn., Sp.Pl. 1057. 1753. Gen. Pl.ed. 5: 477. 1754; C.B. Clarke in Hook. f., Fl. Brit. Ind. 3: 605. 1882; A. Lingelsheim in Engler, Bot. Jahrb. 40: 185. 1907; Pflanzenr. IV, 243: 9. 1920; V.N. Vasil'ev in Komarov, Fl. URSS, 18: 486. 1952; Z.E. Karpati in Fedde, Rep. 81: 171. 1970.

Fraxinus hookeri
Illustration
Credit: M.Y. Saleem

Trees or shrubs, with brown or black buds. Leaves deciduous, opposite or in whorls of three, imparipinnate. Flowers small, in dense panicles (often decussate) or in fascicles, unisexual or bisexual. Calyx 4-fid or lacking. Corolla 4-lobed or lacking. Stamens 2, usually purple. Ovary 2-locular, with 2 anatropous ovules in each locule. Stigma more or less 2-lobed. Fruit a samara.

Species about 70, in temperate regions of both the hemispheres.

1 Corolla present. Inflorescence terminal or in axils or current year’s leaves Fraxinus raibocarpa

+ Corolla lacking. Inflorescence in axils of preceeding year’s leave (2)

2 (1) Calyx persistent. Samarae in dense fascicles; rachis up to 5 mm Long Fraxinus xanthoxyloides

+ Calyx lacking. Samarae in panicles (decussate); rachis 3 cm or more long (3)

3 (2) Leaflets 10-15 cm long, slightly serrate to crenate or almost entire Fraxinus hookeri

+ Leaflets 4-7 cm long, coarsely serrate (4)

4 (3) Leaflets 7-11 Fraxinus oxycarpa var. oxycarpa

+ Leaflets 3-7 Fraxinus oxycarpa var. oligophylla

Lower Taxa

Related Synonym(s):

Related Objects

Flora of China

PDF File
PDF