The Genera of Leguminosae-Caesalpinioideae and Swartzieae
| The Genera of Leguminosae-Caesalpinioideae and Swartzieae | |
Habit and leaf form. Trees; without tendrils; unarmed. Phyllotaxy spiral. Leaves compound; pinnate; imparipinnate. Leaflets alternate; with a strong, continuous marginal nerve; with petiolules not noticeably twisted. Stipels absent.
Inflorescence and floral morphology. Flowers small; hermaphrodite; pentamerous; coloured; in panicles (dense, short); not distichous. Inflorescences axillary. Bracts absent at anthesis. Bracteoles present, or absent (?); absent at anthesis; free. Hypanthium absent. Calyx not covering the rest of the flower in bud; 4 partite; imbricate. Corolla present; slightly zygomorphic; polypetalous; without any greatly reduced petals. Petals red; 5; imbricate; imbricate-ascending. Clawed petals present. Disk present and conspicuous. Androecium of ten parts; members all free of one another; members markedly unequal; without staminodia. Fertile stamens 10. Dehiscence lateral. Ovary stipitate. Ovules few.
Fruit, seed and seedling. Fruit indehiscent; becoming distinctly woody; conspicuously winged. Seeds with a straight or slightly oblique radicle. Cotyledons not flat.
Pollen ultrastructure. Tectum punctate; rugulose punctate. Length of colpi greater than one half pole to pole distance.
Cytology, geography, etc. 1 species. Madagascar. Madagascar. Not widely cultivated.
Tribe. Detarieae.
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’.