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Caesalpiniaceae R. Br. Search in IPNISearch in NYBG Virtual Herbarium Decrease font Increase font Restore font
 

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 152 genera and c. 2800 species, mostly tropical and sub-tropical in distribution.
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 Col¬lege, Rawalpindi and Forest Research Institute, Peshawar. The help and 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 (Pesha¬war) Dr. Asghar Quraishi (Peshawar) and Mr. A. Ghafoor are thankfully acknowledged.

 

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Trees, shrubs, climbers, very rarely herbs. Leaves mostly alternate, mostly pinnate or bipinnate, pinnae or leaflets 1-many pairs rarely simple or unifoliolate. Stipules paired, mostly caducous, stipels may or may not be present. Inflorescence axillary or terminal, rarely leaf opposed, raceme or panicle. Flowers zygomorphic, rarely actinomorphic, mostly bisexual. Sepals 5 or 4 by the union of 2, free or partly united, imbricate or rarely valvate. Petals 5 or fewer, rarely absent, imbri¬cate, adaxial inner most. Stamens 10 or fewer, rarely numerous, free to variously connate; extra staminal disc sometimes present. Pistil unicarpellary, ovary unilo¬cular, ovules 1 to many, style single, undivided. Fruit a legume or indehiscent drupaceous and samaroid. Seeds sometimes arillate, rarely with endosperm.
 

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1 Petals (or petal) present (2)
+ Petals absent (8)
2 (1) Leaves simple or unipinnate (paripinnate) (3)
+ Leaves bipinnate (10)
3 (2) Sepals imbricate in bud (4)
+ Sepals valvate or open in bud Cercis
4 (3) Leaves compound (5)
+ Leaves simple, variously deeply bilobed Bauhinia
5 (4) Anthers opening lengthwise by slits, often attached near the middle and more or less versatile (6)
+ Anthers opening by terminal pores, the loculi attatched at or near the base Cassia
6 (5) Perfect stamens 10, free, filaments pilose at the base (7)
+ Perfect stamens 3, connate high up into a sheath, open above Tamarindus
7 (6) Sepals free to the base or nearly so, not forming a distinct tube Haematoxylum
+ Sepals more or less united into a distinct tube Schotia
8 (1) Calyx segments 5 (9)
+ Calyx segments 4 Saraca
9 (8) Ovules numerous, fruit divided within between the seeds by pulpy areas, many seeded Ceratonia
+ Ovules 2, fruit 2 valved and 1 seeded Hardwickia
10 (2) Calyx lobes or teeth imbricate (11)
+ Calyx lobes valvate (16)
11 (10) Leaf rachis not ending into a spine-like sharp point (12)
+ Leaf rachis very short and ending into a Sharp spine-like point, pinnae flat and leaf like Parkinsonia
12 (11) Branchlets and leaf raches prickly (13)
+ Branchlets and leaf raches not prickly (14)
13 (12) Fruit not winged, often filled with pulp between seeds Caesalpinia
+ Fruit winged lengthwise along the upper suture Mezoneuron
14 (12) Ovary sessile (15)
+ Ovary shortly stipitate Haematoxylum
15 (14) Fruit indehiscent, with thin nerve along the margins as if 2-winged Peltophorum
+ Fruit dehiscent or indehiscent, not even apparently winged Caesalpinia
16 (10) Fertile stamens 10-6, trunk and branches armed with stout, simple or branched spines Gleditsia
+ Fertile stamens 10, trunk and branches not spiny Delonix
 
 
 
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