Viburnum in Flora of Pakistan @ efloras.org

3. Viburnum L., Sp. Pl. 267. 1753. Gen. Pl. ed. 5.129.1754; C. B. Clarke in Hook. f., Fl. Brit. Ind. 3:3; 1880; Parker, For. Fl. Punj. (repr. ed.) 266.1956; Wendelbo in Rech. f., Fl. Iran. 10:2.1965; Hutch., Gen. Pl. 2:85.1967; R. R. Stewart in Nasir & Ali, Ann. Cat. Vasc. Pl. W. Pak. & Kashm. 695.1972; Hara in Hara & Williams, Enum. Fl. Pl. Nep. 2:197.1979.

RUBINA AKHTER

Small trees or shrubs, deciduous or evergreen. Leaves sometimes with stellate hairs. Flowers in axillary or terminal corymbs or panicled cymes. Calyx 5-toothed, lobes, short, persistent. Corolla regular, tubular; campanulate or rotate, equally 5-lobed, lobes spreading. Stamens 5, inserted near the base of corolla tube. Ovary 1-3 locular; style very short, stigma 3-lobed. Fruit a drupe, compressed,1-seeded.

A genus of about 200 species distributed in temperate and subtropical regions of Asia, N. America and Malaysia. Represented in Pakistan by 6 species; 2 species are reported to be cultivated.

1 Leaves stipulate 5 Viburnum opulus

+ Leaves exstipulate (2)

2 (1) Evergreen shrubs. Leaves entire (3)

+ Deciduous shrubs. Leaves crenate or sharply toothed (4)

3 (2) Flowers more than 3 mm long. Corolla lobes spreading. Cultivated 6 Viburnum tinus

+ Flowers not more than 3 mm long. Corolla lobes erect. Wild 4 Viburnum cylindricum

4 (2) Leaves crenate, undersurface densely tomentose 1 Viburnum cotinifolium

+ Leaves sharply toothed, undersurface not tomentose (5)

5 (4) Plants flowering after the appearance of leaves Corolla rotate 2 Viburnum mullaha

+ Plants flowering before the appearance of leaves. Corolla tubular 3 Viburnum grandiflorum

Lower Taxa

Related Synonym(s):

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