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Thymelaeaceae

Y. NASIR


Stewart Herbarium, Gordon College, Rawalpindi.

Perennials, a few herbs or shrublets. Leaves entire, alternate or opposite, usually numerous, exstipulate. Flowers rarely solitary, in racemes, spikes or fascicles; bisexual, regular. Calyx tubular, 4-5 lobed; lobes imbricate. Petals small or absent. Stamens as many as or double the number of lobes, episepalous. Carpels 1-2, rarely more, syncarpous; ovary unilocular, with one laterally attached pendulous ovule; style simple. Fruit a berry or a drupe. Seeds solitary.

A family of 50 genera and about 500 species, mostly temperate and tropical; especially in S. Africa, Australia, Mediterranean region; less common in S. America and the Pacific Islands. Represented in W. Pakistan by 5 genera and 7 species.

Acknowledgements: We are grateful to the United States Department of Agriculture for financing this research under P.L. 480. To Dr. R.K. BrumĀ¬mitt (Kew) and Mr. B.L. Burtt (Edinburgh) for their help and to Dr. B. Peterson (Goteborg) for going through the manuscript and giving valuable suggestions and supplying a list of plants from foreign herbaria for citation. We are also indebted to the Herbarium Director, Pakistan Forest Research Institute, Peshawar for the loan of plant specimens.


1 Calyx tube without disc scales   (2)
+ Calyx tube with disc scales   (4)
       
2 (1) Shrubs up to 2.5 m tall. Fruit succulent   Daphne
+ Shrubs or herbs up to 60 cm tall. Fruit dry   (3)
       
3 (2) Annual herbs. Flowers ebracteate, in lax terminal racemes. Calyx tube constricted in fruit   Diarthron
+ Perennials, rarely annual. Flowers bracteate, axillary, solitary or in clusters. Calyx tube not constricted in fruit   Thymelaea
       
4 (1) Disc unilateral, linear to lanceolate, some times 2-fid. Flowers in terminal clusters. Calyx tube splitting transversely above the ovary   Stellera
+ Disc of 2-4 linear scales, rarely less. Flowers in terminal short racemes or spikes. Calyx tube not splitting above the ovary   Wikstroemia

Lower Taxa

Related Synonym(s):


 

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