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FOC | Family List | FOC Vol. 19 | Annonaceae

20. Artabotrys R. Brown, Bot. Reg. 5: t. 423. 1820.

鹰爪花属 ying zhua hua shu

Authors: Bingtao Li & Michael G. Gilbert

Climbing shrubs or woody lianas. Inflorescences 1- or few-flowered clusters; peduncle recurved, woody, persistent, forming a hook. Flowers bisexual, often fragrant. Torus flat or concave. Sepals 3, valvate, connate at base. Petals 6, in 2 whorls, pale yellowish, subequal, with each whorl valvate, base concave, apex connivent. Stamens many, outermost series sometimes forming staminodes; connectives apically dilated, apex truncate. Carpels 4 to many; ovules 2 per carpel, basal; stigmas ovoid, oblong, or clavate. Fruit apocarpous; monocarps fasciculate, sessile or shortly stipitate, ellipsoid-obovoid or globose, fleshy and berrylike. Seeds 1 or 2 per monocarp, without an aril.

About 100 species: Old World tropics and subtropics; eight species (four endemic, one introduced) in China.

Members of Artabotrys climb by means of the very distinctive, persistent, recurved, woody peduncles and pedicels, which hook onto the supporting vegetation.

1 Monocarp apex long beaked; leaf blade base slightly oblique.   1 A. rhynchocarpus
+ Monocarp apex not beaked; leaf blade base symmetric   (2)
2 (1) Flowers many per peduncle; stamen connectives apically truncate.   2 A. multiflorus
+ Flowers 1-3 per peduncle; stamen connectives apically triangular, semiorbicular, or subtruncate   (3)
3 (2) Outer petals 1-1.8 cm   (4)
+ Outer petals 2-4.5 cm   (6)
4 (3) Leaf blade glabrous on both surfaces or only midrib abaxially puberulent; pedicel longer than peduncle.   3 A. hongkongensis
+ Leaf blade abaxially densely tomentose or pubescent; pedicel shorter than peduncle   (5)
5 (4) Leaf blade adaxially shiny, secondary veins 10-12 on each side of midvein; outer petals ovate to broadly triangular.   4 A. fragrans
+ Leaf blade adaxially slightly glaucous, secondary veins 8 on each side of midvein; outer petals narrowly oblong.   5 A. pilosus
6 (3) Leaf blade adaxially minutely punctate; outer petals oblong-ovate.   6 A. punctulatus
+ Leaf blade adaxially not punctate; outer petals narrowly lanceolate or oblong-lanceolate   (7)
7 (6) Leaf blade secondary veins 7-9 on each side of midvein; outer petals ca. 2 × 0.2 cm.   7 A. hainanensis
+ Leaf blade secondary veins 8-16 on each side of midvein; outer petals 3-4.5 × 0.9-1.6 cm.   8 A. hexapetalus

Lower Taxa


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