Flora of Barro Colorado Island

Smilax panamensis

Morong, Bull. Torrey Bot. Club 21:441.1894

Zarza

Vine, climbing into the canopy, somewhat woody at base, glabrous; stems terete, armed when juvenile with broad­-based spines to 2 cm long. Petioles 1-3 cm long; blades lanceolate or lanceolate-oblong to ovate or ovate-oblong, short-acuminate, obtuse to truncate or rounded at base, 10-23 cm long, 3-12 cm wide,              5-7-veined at base, all other veins reticulate. Flowers 6-parted, greenish-yellow or greenish-white, the umbels solitary and axillary or sometimes in a short, branched series; peduncles flattened, longer than subtending petioles; staminate umbels with peduncles 6-20 mm long; pedicels 4-8 mm long; tepals lanceolate, 4-6 mm long, ca 1.5 mm wide; filaments 6, 1-2 mm long; anthers linear, 2-2.5 mm long. Pistillate umbels with peduncles 1-2.5 cm long; pedicels 5-15 mm long; staminodia 6; styles 3. Berries globose, 7-12 mm diam, green to red and finally black, l-3 seeded. Croat 6475.

Rare, in the forest. Flowers and fruits throughout the year.

Guatemala to Panama. In Panama, known from tropi­cal moist forest in the Canal Zone and Darien and from premontane wet and lower montane rain forests in Chi­riquí.

Photos from STRI Digital Archive

  • Smilax panamensis immature-fruit
  • Smilax panamensis immature-Infructescences
  • Smilax panamensis immature-fruit plant
  • Smilax panamensis leaf
  • Smilax panamensis seed-dry
  • Smilax panamensis seed-wet
  • Smilax panamensis