Flora of Barro Colorado Island

Hirtella racemosa

Lam., Encycl. Meth. Bot. 3:133.1789

H. americana sensu Aubl. non L.

Small tree or arching shrub, 1-5 m tall, usually less than 10 cm dbh; young branches usually moderately pubes­cent. Petioles 1-3 mm long, densely hispid to glabrous; stipules paired, linear, 2-5 mm long, persistent; blades elliptic to oblong, bluntly acuminate at apex, obtuse to subcordate at base, 4-12 (19) cm long, 1.5-5 (7) cm wide, sparsely appressed-pubescent on midrib above and below and sometimes on surface below. Racemes axillary or terminal, 5-15 (29) cm long; rachis and pedicels puberu­lent; bracts and bracteoles 1-3 mm long, narrowly trian­gular, appressed-pubescent, usually with 1 or more round, sessile glands near base; pedicels slender, (1.5) 4-11 mm long, perpendicular to rachis; calyx lobes 5, ovate, 2-3 mm long, sparsely puberulent; petals 5, obovate to ellip­tic, 3-5 mm long, lavender; stamens 5-7; filaments 1-2 cm long, lavender; ovary densely pilose-tomentose; style to 1.5 cm long. Drupes oblong-obovoid, to 1.5 cm long, ca 6 mm diam, purplish-brown turning black, sparsely pubescent. Croat 9518.

Frequent in the forest and along the shore. Flowers from November to June, principally in the dry season. The species may flower more than once a year. The fruits probably mature in a few months, mostly in the late dry and early rainy seasons.

Panama through Colombia, Venezuela, and the Gui­anas to Peru, northern Bolivia, and Amazonian Brazil.

In Panama, known from tropical moist forest in the Canal Zone, Colón, Los Santos, Panama, and Darien and from tropical dry forest in Coclé (Penonome) and Panama (Taboga Island). Reported from premontane moist, pre­montane wet, and premontane rain forests in Costa Rica (Holdridge et al., 1971).

See Fig. 252.

Photos from STRI Digital Archive

  • Hirtella racemosa flower
  • Hirtella racemosa Inflorescence
  • Hirtella racemosa fruit
  • Hirtella racemosa fruit plant
  • Hirtella racemosa immature-Infructescences
  • Hirtella racemosa immature-fruit plant
  • Hirtella racemosa leaf
  • Hirtella racemosa seed-wet
  • Hirtella racemosa var. hexandra
  • Hirtella racemosa var. hexandra