downloads/Killip 1.pdf - Passion Flowers

AMERICAN PASSIFLORACEAE 33
or foliaceous,
Operculum not plicate, of various forms; bracts setaceous
scattered along the peduncle or involucrate.
Bracts setaceous, scattered along the peduncle.
Petals none; petioles biglandular; seeds reticulate
(Mexico; Jamaica) VI. Chloropathanthus.
Petals present; petioles glandless; seeds transversely
sulcate.
Corona tubular or funnel-shaped, at most denticulate
(West Indies) VII. Murucuja.
Corona filamentose, the filaments sometimes united
toward the base.
Calyx bowl-shaped or tubular-campanulate (often
cylindric in P. oblongata), less than 2 cm. long,
shorter than the sepals; plants glabrous
(West Indies) VIII. Pseudomurucuja.
Calyx cylindric, more than 2 cm. long, equaling
or longer than the sepals; plants glabrous or
pubescent (calyx sometimes less than 2 cm.
long and shorter than the sepals in P. sanguinolenta;
Colombia and Ecuador).
IX. Psilanthus.
Bracts predominantly verticillate, forming an involucre
at the base of the flower, usually large and foliaceous.
Sepals dorsally glandular at the margin; corona a low,
fleshy ring, cleft into triangular-dentiform processes
(Amazonian Brazil)
X. Adenosepala.
Sepals not glandular (except in P. setacea); corona
other than above.
B. Operculum dependent, the margin not recurved;
calyx tube usually long-cylindric.
Corona 1-2-ranked, tuberculate (filamentose in a
few species) ; calyx tube elongate, longer than
the sepals, but shorter than the sepals in P.
insignis (Andes).
Sepals united above the throat of the tube for half
their length, the petals inserted at the base
of the lobes XI. Tacsoniopsis.
Sepals free to the throat of the calyx tube.