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Published In: A Voyage to Terra Australis 2: 551. 1814. (19 Jul 1814) (Voy. Terra Austral.) Name publication detail
 

Project Name Data (Last Modified On 6/2/2011)
Acceptance : Accepted
Project Data     (Last Modified On 6/3/2011)
Contributor Text: S. I. ALI
Contributor Institution: Department of Botany, University of Karachi, Karachi.
General/Distribution: A family of about 56 genera and nearly 2800 species, mainly distributed in tropics and subtropics of the world. 11 genera and 49 species are reported from West Pakistan. Of these only four genera and eighteen species are native and the rest are introduced.
Comment/Acknowledgements: Acknowledgements: We are grateful to the United States Department of Agriculture for financing this research under P.L. 480. Our grateful thanks are due to the authorities of the following herbaria for herbarium and library facilities: Royal Botanic Gardens, Kew; British Museum (Natural History), London; Royal Botanic Gardens, Edinburgh; Naturhistorisches Museum, Vienna; Gordon College, Rawalpindi and Forest Research Institute, Peshawar. The advice of Mr. J. P. M. Brenan (Kew), Mr. R.D. Meikle (Kew), Mr. B.L. Burtt (Edinburgh), Dr. W. T. Stearn (BM), Dr. K. H. Rechinger (Vienna), Dr. Anwar Kazmi (Peshawar) and Mr. Asghar Quraishi (Peshawar) is thankfully acknowledged.

 

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Trees, shrubs or very rarely herbs. Leaves bipinnate, rarely unipinnate; stipules present, sometimes spinescent. Inflorescence generally a spike or umbel, rarely racemose or globose umbels; bracts small. Sepals usually 5, imbricate or valvate, generally fused together, toothed or lobed. Petals usually 5, valvate, free or fused, corolla lobed, hypo- or slightly perigynous. Stamens few to many, free or monadelphous or adnate to base of corolla tube; anthers versatile, often crowned by a deciduous gland. Pistil monocarpellary; ovary unilocular; ovules mostly numerous, style filiform; stigma terminal. Fruit dehiscent or indehiscent, sometimes schizocarpic; seeds mostly ovate to orbicular; aril rarely present.
 

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1 Stamens indefinite, more than 10 (2)
+ Stamens as many or twice as many as petals (5)
2 (1) Stamens monadelphous (3)
+ Stamens free Acacia
3 (2) Pod not circinately coiled (4)
+ Pod circinately coiled Pithecellobium
4 (3) Valves of the fruit not separating form the sutures Albizia
+ Valves of the fruit separating elastically form each other form the apex to the base and becoming recurved Calliandra
5 (1) Anthers eglandular (pod flat, not pulpy within) (6)
+ Anthers gland crested in early stage (8)
6 (5) Fruit no jointed (7)
+ Fruit jointed, when ripe, joints separating from the persistent sutures Mimosa
7 (6) A small tree; shoot terete; stigma capitate Leucaena
+ A shrub; shoot virgate, ribbed; stigma clavate Desmanthus
8 (5) Flowers all similar in colour and sex (9)
+ Flowers dissimilar in colour and sex; pod not septate Dichrostachys
9 (8) Fruit dehiscing by both sutures (10)
+ Fruit not dehiscent Prosopis
10 (9) Flowers sessile Indopiptadenia
+ Flowers pedicellate Adenanthera
 
 
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