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FOC | Family List | FOC Vol. 12 | Leeaceae

1. Leea D. Royen ex Linnaeus, Syst. Nat., ed. 12, 2: 608, 627; Mant. Pl. 1: 17, 124. 1767.

火筒树属 huo tong shu shu

Nalagu Adanson.

Erect shrubs or small trees. Leaves alternate, 1-4-pinnate, rarely simple or 3-foliolate. Inflorescences compound dichasial or umbelliform. Flowers 4- or 5-merous, bisexual. Lower part of petals adnate to staminodial tube on disk. Apex of staminodial tube 5-lobed, connate to each other by thinner tissue to form sinuses; apex of lobes retuse or 2-lobed, retusely apiculate to bifid. Filaments flattened, light brown, alternating with staminodial lobes, curved inward; anthers inverted and packed within staminodial tube in bud; filaments straight and anthers long-exserted in open flower. Disk deeply cupulate. Ovary discoid, 4-6(-10)-locular; ovule 1 per locule; style short; stigma slightly thickened. Berry depressed-subglobose, 4-6(-10)-seeded. Endosperm ruminate.

Geographic distribution is the same as that of the family.


1 Leaves 1-4-pinnate, abaxial leaflet surface glabrous   (2)
+ Leaves simple, or 1- or 2-pinnate, at least abaxial leaflet surface pubescent   (6)
       
2 (1) Leaflets lanceolate to narrowly so, margin wavy with glandular teeth; leaves 2- or 3-pinnate.   5 L. longifolia
+ Leaflets elliptic, narrowly elliptic, or elliptic-lanceolate, margin serrulate   (3)
       
3 (2) Leaves pinnate; flowers 4-merous.   4 L. philippinensis
+ Leaves 2-4-pinnate; flowers 5-merous   (4)
       
4 (3) Inflorescences compact; bracts large, ovate; leaflet margin with irregular and big teeth.   3 L. glabra
+ Inflorescences loose; bracts narrowly long, elliptic-lanceolate; leaflet margin with shallow and irregular teeth   (5)
       
5 (4) Leaves 2(or 3)-pinnate; leaflets usually 13-32 cm; flowers greenish white.   1 L. indica
+ Leaves (2 or)3- or 4-pinnate; leaflets usually 6-11 cm; flowers red to orange.   2 L. guineensis
       
6 (1) Abaxial leaflet surface pubescent with dense peltate glands.   10 L. aequata
+ Abaxial leaflet surface pubescent without peltate glands   (7)
       
7 (6) Leaves highly variable in size and shape, from simple to 1-3-pinnate, blade large and broadly ovate.   6 L. macrophylla
+ Leaves pinnate   (8)
       
8 (7) Leaflet margin with dull and obtuse dentate teeth, adaxial surface glabrous or adaxial veins sparsely with scabrous hairs, abaxial veins conspicuously with scabrous hairs.   9 L. asiatica
+ Leaflet margin with sharp teeth   (9)
       
9 (8) Adaxial leaflet surface glabrous, abaxial surface pubescent; bracts conspicuously broad and large, elliptic or oval-elliptic.   7 L. compactiflora
+ Both abaxial and adaxial leaflet surfaces sparsely with setaceous hairs; bracts narrowly triangular   8 L. setuligera

Lower Taxa


 

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    A Catalogue of the Vascular Plants of Madagascar  
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