downloads/Killip 2.pdf - Passion Flowers

AMERICAN PASSIFLORACEAE 479
Stem, petioles, and peduncles softly pilosulous, the hairs averaging
not more than 1.5 mm. long, usually much less.
Basal lobes of leaves not lobed, suborbicular; leaf lobes apiculate.
b. gossypifolia.
Basal lobes of leaves prevailingly bilobate; leaf lobes rounded
Ovary glabrous.
at apex i. santiagana.
Plant densely hispid-hirsute throughout; segments of bracts
closely interwoven; fruit not more than 2.5 cm. in diameter,
yellowish 1. hispida.
Plant essentially glabrous throughout; segments of bracts straight,
or at least not closely interwoven; fruit more than 2.5 cm. in
diameter, red or scarlet.
Bracts at least 2.5 cm. long at anthesis, at length as long as the
fruit.
Basal leaf lobes oblanceolate or oblong-lanceolate cc. ciliata.
.
Basal leaf lobes suborbicular jj. riparia.
Bracts less than 2.5 cm. long at anthesis, rarely as much as 3 cm.
long at fruiting time.
Basal leaf lobes bilobate
kk. quinqueloba.
Basal leaf lobes not lobed 11. polyadena.
Key to the varieties of P. foetida in South America
Ovary pubescent; fruit sparingly to densely pubescent.
Sinus between the middle lobe and the basal lobes of the leaves
acute or subacute, the middle lobe irregularly, often deeply,
lobed (Uruguay, Paraguay, and Argentina)
h. vitacea.
Sinus between the middle lobe and the basal lobes of the leaves
shallow, obtuse, the middle lobe not lobed.
Stem, petioles, and peduncles hirsute with spreading, rather
stiff, yellowish or brownish hairs averaging more than 1.5
mm. long
a. P. foetida (typical).
Stem, petioles, and peduncles softly pilosulous, the hairs averaging
not more than 1.5 mm. long, usually less.
Leaves evenly serrate, often 5-lobed (Paraguay, Uruguay, and
Argentina)
e. nigelliflora.
Leaves undulate, crenulate, or subentire, never 5-lobed.
Bracts twice or thrice pinnatisect, the segments much longer
than the width of the main rachis b. gossypifolia.