Flora of Barro Colorado Island

Unonopsis pittieri

Saff., J. Wash. Acad. Sci. 15:102.1925

Yava blanca

Slender tree, to 20 m tall, with pyramidal crown; stems dark, often lenticellate; parts minutely sericeous when young, glabrate in age. Petioles swollen, stout, ca 6 mm long; blades elliptic to obovate-elliptic, obtuse to acuminate at apex, obtuse to rounded at base, 20-30 cm long, 6-9 cm wide. Flowers solitary in axils on leafless branches; pedicels slender, 2-4 cm long, articulate near middle with small bracteoles above and below the articu­lation; sepals 3, valvate, 1.5-3 mm long, triangular, con­nate; petals 6, valvate, sericeous, broadly ovate, thick, the outer three 8-9 (20) mm long, the inner 3 thicker, 5-6 (15) mm long; stamens ca 1.5 mm long. Monocarps 11 or 12, globose, 1.5-2 cm diam, brown or black at maturity, 1-seeded, on a stipe 1-1.5 cm long. Croat 9577

Infrequent, in the forest, especially the old forest. Seasonal behavior uncertain; probably flowering and fruiting intermittently all year. The flowers have been seen in February, July, and August. Full-sized fruits have been seen throughout the year.

Costa Rica and Panama. In Panama, known from trop­ical moist forest in the Canal Zone and Bocas del Toro, from premontane wet forest in Colón. and Panama, and from tropical wet forest in Coclé.

See Fig. 239.

Photos from STRI Digital Archive

  • Unonopsis pittieri immature-fruit
  • Unonopsis pittieri immature-fruit plant
  • Unonopsis pittieri seed-dry
  • Unonopsis pittieri seed-wet
  • Unonopsis pittieri
  • Unonopsis pittieri Fruit
  • Unonopsis pittieri Fruit Leaf
  • Unonopsis pittieri
  • Unonopsis pittieri Trunk
  • Unonopsis pittieri Trunk