Botanical Survey of India | Flora of India

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Sageretia Brongn.


Armed or unarmed shrubs or trees, rarely scandent. Leaves opposite or subopposite, serratures tipped with deciduous, glandular mucro; stipules minute, deciduous. Inflorescence terminal or axillary panicles. Flowers bisexual, pentamerous. Calyx urceolate, persistent; lobes deltoid, acute, keeled inside, thickened towards apex and margin. Petals cucullate, clawed. Stamens enclosed in petals; filaments filiform; anthers 2-loculed, dehiscence longitudinal. Disc saucer-shaped, 5-lobed, fleshy, nectariferous, filling the calyx tube. Ovary glabrous, superior, tricarpellary, 3-loculed, almost immersed in the disc but free from it; style short, thick, 3-loculed; lobes coherent. Drupes 3-loculed, globular or obovate, suffused at base by the adnate, accrescent calyx tube and disc, with 3-coriaceous, indehiscent kernels. Seeds 3, completely filling the kernels; embryo straight; cotyledons flat, obcordate, foliaceous, enclosed in thin, fleshy albumen; testa crustaceous.

North and South America, Asia; 40 species, 8 in India.



KEY TO THE SPECIES


1a. Leaves persistently woolly on lower surface 1. Sageretia brandrethiana
b. Leaves glabrous on lower surface or pubescent, becoming glabrous with age 2
2a. Stamens longer than the petals 3
b. Stamens shorter than or equal to petals 5
3a. Leaves tapering into a long acumen at apex, finely serrulate; lateral nerves 6-8 pairs; flowers pubescent 3. Sageretia hamosa
b. Leaves obtuse or acuminate, distantly serrate; lateral nerves 4-5 pairs; flowers glabrous 4
4a. Leaves more than 2.5 cm long. ovate or elliptic; petals notched 2. Sageretia coimbatorensis
b. Leaves up to 2.5 cm long. rotundate or orbicular; petals notched or mucronate 5. Sageretia kishtwarensis
5a. Flowers glabrous 6
b. Flowers pubescent 7
6a. Leaves less than 2 cm long; petals notched and mucronate 4. Sageretia kashmirensis
b. Leaves more than 2 cm long; petals notched but not mucronate 7. Sageretia thea
7a. Lateral nerves 3-5 pairs 8. Sageretia wallichii
b. Lateral nerves 5-7 pairs 6. Sageretia parviflora


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