A N O N A C E ^ .
Trees or shrubs, often climbing and aromatic. Leaves alternate, cxstipulate, simple,
quite entire. Flotvers 2- rarely 1-sexual. Sepals 3, free or connate, usually valvate,
rarely imbricate. Peíais 6, hypogynous, 2-seriate, or the inner absent. {Flowers dimerous
in Disepalum.) Stamens many, rarely definite, hypogynous, closely packed on the torus ;
filaments short or 0 ; anthers aduate, cells extrorse or sublateral, connective produced
into an oblong, dilated or truncate head. Ovaries 1 or more, apocarpous, very rarely
(Anona) syncarpous with distinct or agglutinated stigmas ; style short or 0 ; ovules 1
or more. Fruit of 1 or m o r e , sessile or stalked, 1- or many-seeded, usually indéhiscent
cai-pels. Seeds large ; ' t e s t a crustaceous or coriaceous ; albumen dense, ruminate,
often <iivided almost to the axis into several series of horizontal plates ; embryo small
or minute; cotyledons divaricatmg.
Thibe I.—Uvakie^ï. Petals 2-seriate, one or both series imbricate in
bud. Slamens many, close-packed ; their anther-cells
concealed by the OTerlapping conaeetivea (imperfectly
concealed iu some species of Saffuma). Ovaries
indefinite.
Scpoh imbricate ; trees or shrubs.
Flowers small, globular, scarcely opening ; often unisexual
and from the older branches or trunk ; ovules
G to 8, or indefinite.
Trees ; flowers 1-sesual ; ovules rntmy ; torus
conical or hemispheric 1- Steleehocarpus.
Trees or shrubs ; flowers uni-sexual or hermaphrodite
; torus flat • 2. Sagerm.
Flowers large, elongate, hermaphrodite, axillary or extraaxillary
; ovules one or two 3. Qriffithia.
Sepals valvate ; climbers.
Flowers small, mostly hermaphrodite j petals incurved ;
ovules 6 to 8 j torus flat 4. Cyatlmlmma.
Aks. 1ÍÜY. Bot. Gard, Calcoita Vol. IV.