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Revision of Passiflora Subgenus Decaloba ... - Passion Flowers

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338<br />

length, but the filaments in P. sexocellata are commonly half the length <strong>of</strong> the<br />

androgynophore.<br />

The seedling leaves <strong>of</strong> several species in supersection Cieca (e.g., P.<br />

sexocellata, P. megacoriacea, P. juliana, and P. viridiflora) are peltate and very<br />

similar in shape to the mature leaves <strong>of</strong> P. clypeophylla, and evolution by<br />

neoteny in this taxon seems plausible.<br />

Description <strong>of</strong> <strong>Passiflora</strong> obtusifolia<br />

<strong>Passiflora</strong> obtusifolia<br />

10. <strong>Passiflora</strong> obtusifolia Sessé & Moc. Pl. N. Hispan. ed. 1: 156. 1890; ed.<br />

2: 145. 1893. LECTOTYPE (designated by R. McVaugh, 2000, Bot. Results<br />

Sessé & Mociño, p. 428): MÉXICO, Michoacán, Apatzingán, October 1790, M.<br />

Sessé & J. Mociño s.n. (lectotype illustration: Sessé & Mociño, Ill, Hunt Institute<br />

6331.830, 1787-1803; photograph F!).<br />

Slender, low-climbing, perennial vine 1.5-3 m long or more, minutely antrorsely<br />

appressed-puberulent throughout with unicellular, curved to erect trichomes, 0.1-<br />

0.2 mm long, 0.02-0.03 mm wide, also sparsely pubescent with longer,<br />

unicellular, curved to erect trichomes on petiole and stem, 0.2-0.4 mm long, 0.02-<br />

0.03 mm wide. Flowering stems terete or somewhat compressed, 0.9-2.1 mm in<br />

diameter, with the base woody and cork-covered. Stipules very narrowly ovate,<br />

acute to attenuate, longitudinally striate-nerved, 1.4-5.7 mm long, 0.3-1.0 mm

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