Flora of Barro Colorado Island

Myrcia fosteri

Croat, Ann. Missouri Bot. Gard. 61:886.1974

Slender tree, 3-8 m tall; trunk to ca 7 cm dbh. Petioles 2-6 mm long, bearing sparse to dense, ± appressed pubescence of short brownish trichomes; blades lanceo­late to elliptic, abruptly caudate-acuminate, acute or rarely obtuse at base, 3-8 (10) cm long, 1-3 (3.5) cm wide, inconspicuously pubescent all over, more densely so on midrib above and below, glabrous above in age except on midrib, pellucid-punctate, thin, the acumen often as much as one-fourth the length of the blade, the margins entire, ± revolute especially near base; second­ary veins not prominulous below when dry. Racemes or panicles axillary, 1-2.5 cm long; pedicels 1-1.5 mm long; flowers 5-parted; calyx to ca 2.5 mm wide, the lobes short-triangular to rounded; axes of inflorescences, pedi­cels, and hypanthia bearing dense, erect to more com­monly appressed pubescence; petals orbicular, ca 1.7 mm long, pellucid-punctate, white, soon falling; stamens numerous, to 3.5 mm long; ovary and basal half of style short-villous, together to 5.5 mm long; style simple. Berries globose to depressed-globose, to ca 5 mm long, 6-8 mm diam, green turning blue-gray and finally blue­-black at maturity; seed 1, ± globose, ca 4 mm diam, smooth, the seed coat thin, brown. Croat 15147 (type), Foster 2371.

Occasional in the younger forest; locally abundant along Miller Trail 100-300 and at Wheeler Trail 700. Flowers in late June and in July. The fruits mature in September and October.

Known only from Panama, from tropical moist forest on BCI and in Darien (Tyson et al. 4756, Stern et al. 719).

Photos from STRI Digital Archive

  • Myrcia fosteri
  • Myrcia fosteri
  • Myrcia fosteri