The Genera of Leguminosae-Caesalpinioideae and Swartzieae
| The Genera of Leguminosae-Caesalpinioideae and Swartzieae | |
= Delonix.
Habit and leaf form. Trees (with twisted branches); without tendrils; unarmed. Phyllotaxy spiral. Leaves compound; bipinnate (1–3 pairs of pinnae); with adaxially grooved rachides. Leaflets few per leaf; with petiolules not noticeably twisted. Stipels absent.
Inflorescence and floral morphology. Flowers hermaphrodite; not pentamerous throughout; departing from pentamery in the corolla and in the androecium; in panicles (shortly racemose-paniculate); not distichous (precocious). Bracts absent at anthesis. Bracteoles absent at anthesis. Calyx polysepalous; covering the rest of the flower in bud; not imbricate. Corolla present; very zygomorphic. Petals yellow; 1 (one small petal). Clawed petals present. Androecium members markedly unequal; without staminodia. Anthers attached well above base of connective. Dehiscence introrse. Ovary sessile or subsessile (tomentose). Ovules numerous.
Cytology, geography, etc. 2 species. Madagascar. Madagascar. Not widely cultivated.
Tribe. Caesalpinieae.
The interactive key provides access to the character list, full and partial descriptions, diagnostic descriptions, differences and similarities between taxa, lists of taxa exhibiting specified attributes, and summaries of attributes within groups of taxa.
Cite this publication as: ‘Watson, L., and Dallwitz, M.J. 1993 onwards. The genera of Leguminosae-Caesalpinioideae and Swartzieae: descriptions, identification, and information retrieval. In English and French; French translation by E. Chenin. Version: 19th October 2005. http://delta-intkey.com’.