Flora of Barro Colorado Island

Croton billbergianus

Müll. Arg., Linnaea 34:98. 1865

Sangrillo, Baquero

Monoecious shrub or tree, 3-10 m tall, densely stellate­-pubescent all over except on upper leaf surface; sap copi­ous, ± sticky, yellowish, fragrant. Leaves alternate, simple; stipules subulate-lanceolate , 5-7 mm long; peti­oles to 6 cm long, with 2 or more sessile, round, yellow glands at apex on lower side; blades usually ovate, acumi­nate, usually cordate at base, 7-25 cm long, 5-18 cm wide, entire; basal veins 6-9, the cauline veins in 6-10 pairs. Racemes terminal (paniculate by aggregation), 6-15 (20) cm long, bisexual or staminate; pedicels 3-5 mm long; calyx copulate, 4-5 mm long, greenish-white at anthesis, glabrous inside, lobed to ca middle, the lobes 5, broadly acute and somewhat spreading; receptacles villous; staminate flowers terminal on (or full length of) racemes; petals 5, ± elliptic, ca 3.5 mm long, villous; stamens 14-16, well exserted, erect or spreading, to 4.5 mm long; filaments villous; pistillate flowers 1-6 on basal part of raceme, developing before staminate flowers; calyx 5-lobed; petals lacking; ovary broader than high, subtended by a 5-parted, ringlike disk; styles 3, connate into a short column, each style bifid 2 or 3 times, the ends exserted as much as 4 mm and spreading, white, persisting in fruit, the ovary and basal parts of style densely stellate. Capsules obovoid to depressed-globose, to 1 cm diam, stellate-tomentose, green, the columella 4-4.5 mm long; seeds 3, obovoid, 4-5 mm long, 3-4 mm broad. Croat 14848, 16546.

Frequent in the forest, mostly the older forest; also along the shore. Flowers from April to August, especially in April and May. The fruits mature from June to Octo­ber, especially in August and September.

Known only from Panama, from tropical moist forest in the Canal Zone, Bocas del Toro, Colon, Panama, and Darién and from tropical wet forest in Colon and Panama.

Photos from STRI Digital Archive

  • Croton billbergianus subsp billbergianus  flower
  • Croton billbergianus subsp billbergianus  Inflorescence
  • Croton billbergianus subsp billbergianus  flower plant
  • Croton billbergianus subsp billbergianus  fruit-dry
  • Croton billbergianus subsp billbergianus  seed-dry
  • Croton billbergianus subsp. billbergianus
  • Croton billbergianus subsp. billbergianus
  • Croton billbergianus
  • Croton billbergianus Flower
  • Croton billbergianus Fruit