downloads/Killip 1.pdf - Passion Flowers

AMERICAN PASSIFLORACEAE 71
Subgenus XX. Dysosmioides
Stipules lacerate-dentate or lacerate-pectinate; nerves of bracts and
leaves scarcely darker than rest of blade.
Leaves lobed only to middle, the lobes ovate or broadly ovatelanceolate;
ovary glabrous or hirsute.
Segments of bracts long-aristate; leaves longer than broad,
ciliate-denticulate; ovary glabrous 302. P. villosa.
Segments of bracts merely acute; leaves broader than long, subentire;
ovary hirsute 303. P. Vellozii.
Leaves lobed nearly to base, the lobes narrowly lanceolate; ovary
glabrous 304. P. setulosa.
Stipules serrulate or denticulate; nerves of bracts and leaves usually
much darker than rest of blade; ovary hirsute.
Leaves entire 304. P. hypoleuca.
Leaves 3-lobed 306. P. campanulata.
Subgenus XXI. Polyanthea
One species (Guianas) 307. P. cirrhiflora.
Subgenus XXII. Astrophea
KEY TO SECTIONS
Calyx tube campanulate or cylindric-campanulate, rarely cylindric,
shorter than the sepals; flowers white, greenish, or greenish
purple, the peduncles solitary or in pairs in the leaf axils, simple,
or dichotomous.
Peduncles once to several times dichotomous, occasionally simple
in P. arborea and P. sphaerocarpa; plants usually erect shrubs
or trees and without tendrils.
Operculum exserted beyond throat of calyx tube.
Section 1. Dolichostemma.
Operculum not exserted.
Peduncles terminating in a tendril
Section 2. Cirrhipes.
Peduncles not terminating in a tendril. Trees or shrubs,
usually without any tendrils Section 3. Euastrophea.
Peduncles simple. Plants usually scandent, with tendrils present.
Flowers racemose, the pedicels long and slender; inner corona
filaments plumose, reflexed
Section 4. Leptopoda.
Flowers solitary or in pairs, the peduncles short; inner corona
filaments not plumose, erect . . . .Section 5. Pseudoastrophea.