downloads/Killip 1.pdf - Passion Flowers

Petiolar glands 1
AMERICAN PASSIFLORACEAE 39
mm. in diameter; leaves membranous, inconspicuously
reticulate-veined (Brazil). 29. P. truncata.
Petiolar glands less than 1 mm. in diameter; leaves coriaceous,
strongly reticulate-veined.
Leaves densely pilosulous beneath; middle leaf lobe Jess
than half as long as lateral lobes (Bolivia).
30. P. exoperculata.
Leaves glabrous or sparingly pubescent beneath; middle
lobe more than half as long as lateral lobes (Peru).
31. P. Lobbii.
Subgenus V. Plectostemma, Section 2. Mayapathanthus
One species 32. P. obovata.
Subgenus V. Plectostemma, Section 3. Decaloba
KEY TO SERIES
Petioles with auricular appendages at middle or near base; leaves
ovate-lanceolate, entire or with 2 reduced lateral lobes.
Series 1.
Auriculatae.
Petioles without appendages; leaves variously lobed, entire in P.
quadrifolia.
Leaves lobed nearly to base or pedately 3-parted,
the segments
usually lobulate (West Indies) Series 2. Heterophyllae.
Leaves entire to deeply lobed, but the lobes not lobulate, the
leaves never pedately parted.
Peduncles more than 1-flowered, rarely 1-flowered in P. sexflora.
Peduncles 1-flowered.
Series 3.
Sexflorae.
Petals none Series 4. Apetalae.
Petals present.
Bracts none; peduncles very slender; leaves broader than
long, 3-lobed, the lobes usually obtuse .
Bracts present though often early deciduous.
Series 5. Luteae.
Corona 1-ranked Series 6. Organenses.
Corona 2-ranked.
Inner corona filaments linear, broadly dilated at apex
and often lobulate Series 7. Miserae.
Inner corona filaments filiform or capillary, rarely
minutely capitellate Series 8. Punctatae.