downloads/Killip 2.pdf - Passion Flowers

AMERICAN PASSIFLORACEAE 361
operculum membranous, the margin entire, incurved; limen cupuliform,
closely surrounding base of gynophore; ovary ellipsoidal,
finely white-sericeous.
TYPE LOCALITY: Tumatumari, British Guiana.
DISTRIBUTION: British Guiana and northernmost Brazil.
BRITISH GUIANA: Tumatumari, Potaro River, Gleason 828
(BM, G, K, N, type, Y). Rupununi River, Jenman 5537 (K).
Corentyne River, Jenman ^60 (BG, K); Im Thurn (K).
BRAZIL: Amazonas: Rio Branco, Ule 7851 (B, Gen, Go, K, N).
This is allied to P. laurifolia but the leaves are much narrower,
and the corona filaments more slender. Intermediates between the
two occur, however, and this may prove to be merely a variant of P.
laurifolia.
210. Passiflora Popenovii Killip, Journ. Wash. Acad. Sci. 12:
332. 1922.
Plant glabrous throughout, except the ovary and the outer surface
of the calyx tube; stem terete below, 4-5-angled above, striate;
stipules narrowly linear-subulate, 1 cm. long, 0.5 mm. wide, deciduous;
petioles slender, averaging 2 cm. in length, slightly tortuose
toward base, glandless rarely with a scarlike gland near base;
leaves oblong-ovate or elliptic-ovate, 8.5 to 16 cm. long, 4 to 10 cm.
wide, acuminate, rounded at base, entire, lustrous on both surfaces,
penninerved (lateral nerves 4 or 5 pairs) and prominulous-reticulate,
subcoriaceous, rarely coriaceous; peduncles slender, elongate, 8 to
10 cm. long; bracts ovate, concave, 2 to 2.5 cm. long, 1.2 to 1.5 cm.
wide, rounded and often cleft at apex, narrowed at base, entire,
minutely puberulent on the lower part of the outer surface; flowers
showy, fragrant, up to 10 cm. wide; calyx tube 1.2 cm. long; sepals
deep rose-colored, oblong, 3 to 3.5 cm. long, 1.5 to 2 cm. wide,
slightly concave, wide-spreading when developed, obtuse, keeled on
the outer surface, the keel terminating in an awn about 3 mm. long;
petals white, linear-oblong, 3 to 3.5 cm. long, averaging 1 cm. wide,
flat, slightly reflexed; corona in 4 series, the filaments of the 2 outer
white, banded with purplish blue, the 2 inner 3 mm. and 2 mm. from
the throat, the filaments of the outermost series filiform, 1.5 cm.
long, 1 mm. thick at base, slightly divaricate, those of the second
series ligulate, fleshy, 3 to 3.5 cm. long, 2 to 2.5 mm. wide, those of
the third series capillary, 1 mm. long, those of the fourth series
capillary, 2 mm. long; operculum membranous, 5 mm. long, the lower