Botanical Survey of India | Flora of India

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Orophea Blume


Erect shrubs or small trees. Leaves membranous, pellucid-dotted. Flowers bisexual, axillary or supra-axillary, solitary or a few together in cymes or 2-seriate in racemes. Sepals 3, valvate. Petals 6 (3 + 3), larger than sepals; outer petals shorter than inner ones, ovate, free; inner ones clawed, cohering by the margins of limb into a mitriform cap, vaulted over the sexual organs. Stamens 3 - 9 (-12), alternating with staminodes or not, miliusoid; connectives slightly produced at top or not. Carpels 3 - 15, hairy; ovules 1 - 4; style short or absent; stigma sessile. Ripe carpels elongate-cylindric or globose, fleshy, red. Seeds 1 - 4.

India, Sri Lanka, Bangladesh, Myanmar, S. China, Thailand, Cambodia to Malesia and New Guinea; ca 60 species, 10 species in India.

Literature. KEBLER, P. J. A. (1988) Revision der Gattung Orophea Blume (Annonaceae). Blumea 33: 1 - 80, ff. 1 - 12.



KEY TO THE SPECIES


1a. Inner petals revolute 2
b. Inner petals not revolute 3
2a. Leaves 6 - 9 cm long; stamens 6, uniseriate; ripe carpels globose 4. Orophea monosperma
b. Leaves 10 - 14 cm long; stamens 12, biseriate; ripe carpels torulose 8. Orophea torulosa
3a. Stamens 6, all fertile 4
b. Stamens 8-12, some imperfect 6
4a. Pedicels ca 5 mm long 6. Orophea salacifolia
b. Pedicels 10 - 20 mm long 5
5a. Leaves ovate-elliptic or lanceolate; main lateral nerves ca 10 pairs 5. Orophea polycarpa
b. Leaves ovate-oblong; main lateral nerves 4 - 7 pairs 10. Orophea zeylanica
6a. Inner petals 10 - 15 mm long 3. Orophea katschallica
b. Inner petals 5 - 7 mm long 7
7a. Ripe carpels oblong 8
b. Ripe carpels globose 9
8a. Flowers and pedicels densely brown tomentose; ripe carpels not curved 1. Orophea erythrocarpa
b. Flowers and pedicels pubescent; carpels curved at tip 2. Orophea hexandra
9a. Flowers 2 - 3 together; ripe carpels not apiculate at apex 7. Orophea thomsonii
b. Flowers solitary; ripe carpels apiculate at apex 9. Orophea uniflora


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