Taxon Details: Miconia peltata Almeda
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Narratives:
Family:
Melastomataceae (Magnoliophyta)
Melastomataceae (Magnoliophyta)
Scientific Name:
Miconia peltata Almeda
Miconia peltata Almeda
Accepted Name:
This name is currently accepted.
This name is currently accepted.
Description:
Description Author and Date: Frank Almeda, based on Almeda, F. (2009). Melastomataceae. In: G. Davidse, M. Sousa-Sânchez, S. Knapp, & F. Chiang (eds.), Flora Mesoamericana: Cucurbitaceae a Polemoniaceae. 4(1): 164-338.
Type: Holotype: Panama, McPherson 7882 (CAS!).
Description: Shrubs or small trees 3-6 m tall, the compressed and two-sided uppermost internodes, petioles, primary leaf veins abaxially, and inflorescences densely and somewhat deciduously covered with a rusty-brown indument of pinoid hairs. Leaves of a pair somewhat unequal in size, peltate with the petiole attached 5-8 mm from the basal edge; blades 5-7-nerved, ovate to elliptic-ovate, 6.2-14.5 X 3.3-8.3 cm, apex acuminate, base broadly rounded to subcordate, margin inconspicuously undulate-denticulate to subentire, glabrous adaxially, the secondaries and higher order veins on the abaxial surface sparingly covered with spreading pinoid hairs and an inconspicuous appressed glandular puberulence; petioles 1.3-5 cm long. Inflorescence a multifowered paniculiform dichasium 3-4 cm long divaricately branched from the base; flowers 5-merous on pedicels 1 mm long; bracts persistent, 1.5-4 X 0.5 mm; bracteoles persistent, subulate, 0.25-0.5 mm long, mostly less than 0.25 mm wide. Hypanthia (at anthesis) moderately to sparsely covered with stipitate-stellate or short pinoid hairs. Calyx tube 0.25 mm long, subtruncate, with 5 triangular lobes ca. 0.25 mm long; exterior calyx teeth bluntly triangular, 0.25 mm long. Petals, reddish-pink, glabrous, oblong-elliptic, 2.5 X 0.5 mm. Anthers isomorphic 0.75-1 mm long, pale yellow, oblong, rounded to subtruncate at the apex with a somewhat dorsally inclined terminal pore; connective thickened dorsally but not prolonged or appendaged at the filament insertion. Style, glabrous, 1.5 mm long; stigma truncate; ovary 5-locular, 2/3 inferior (at anthesis), apex fluted and sparingly glandular-puberulent but rounded and glabrous in fruit. Berry purple when mature, 2-2.5 X 3-4 mm. Seeds irregularly angulate-pyramidate, smooth with polished angles on the con¬vex face.0.5 mm long.
Habitat and Distribution: Local and uncommon in low cloud forest. 850-1,000 m. PANAMA (Aranda & Valdespino 185, CAS). (Endemic).
Taxonomy and Systematics: Because of its ovate to elliptic-ovate pel¬tate leaves, M. peltata it is recognizable even in sterile con¬dition. In addition to its unusual leaves, M. peltata differs from closely allied species (discussed under M. iteophylla) by its red¬dish-pink petals and an inflorescence that is di¬varicately branched from the base.
Notes: [Description based only on Mesoamerican specimens.]
Description Author and Date: Frank Almeda, based on Almeda, F. (2009). Melastomataceae. In: G. Davidse, M. Sousa-Sânchez, S. Knapp, & F. Chiang (eds.), Flora Mesoamericana: Cucurbitaceae a Polemoniaceae. 4(1): 164-338.
Type: Holotype: Panama, McPherson 7882 (CAS!).
Description: Shrubs or small trees 3-6 m tall, the compressed and two-sided uppermost internodes, petioles, primary leaf veins abaxially, and inflorescences densely and somewhat deciduously covered with a rusty-brown indument of pinoid hairs. Leaves of a pair somewhat unequal in size, peltate with the petiole attached 5-8 mm from the basal edge; blades 5-7-nerved, ovate to elliptic-ovate, 6.2-14.5 X 3.3-8.3 cm, apex acuminate, base broadly rounded to subcordate, margin inconspicuously undulate-denticulate to subentire, glabrous adaxially, the secondaries and higher order veins on the abaxial surface sparingly covered with spreading pinoid hairs and an inconspicuous appressed glandular puberulence; petioles 1.3-5 cm long. Inflorescence a multifowered paniculiform dichasium 3-4 cm long divaricately branched from the base; flowers 5-merous on pedicels 1 mm long; bracts persistent, 1.5-4 X 0.5 mm; bracteoles persistent, subulate, 0.25-0.5 mm long, mostly less than 0.25 mm wide. Hypanthia (at anthesis) moderately to sparsely covered with stipitate-stellate or short pinoid hairs. Calyx tube 0.25 mm long, subtruncate, with 5 triangular lobes ca. 0.25 mm long; exterior calyx teeth bluntly triangular, 0.25 mm long. Petals, reddish-pink, glabrous, oblong-elliptic, 2.5 X 0.5 mm. Anthers isomorphic 0.75-1 mm long, pale yellow, oblong, rounded to subtruncate at the apex with a somewhat dorsally inclined terminal pore; connective thickened dorsally but not prolonged or appendaged at the filament insertion. Style, glabrous, 1.5 mm long; stigma truncate; ovary 5-locular, 2/3 inferior (at anthesis), apex fluted and sparingly glandular-puberulent but rounded and glabrous in fruit. Berry purple when mature, 2-2.5 X 3-4 mm. Seeds irregularly angulate-pyramidate, smooth with polished angles on the con¬vex face.0.5 mm long.
Habitat and Distribution: Local and uncommon in low cloud forest. 850-1,000 m. PANAMA (Aranda & Valdespino 185, CAS). (Endemic).
Taxonomy and Systematics: Because of its ovate to elliptic-ovate pel¬tate leaves, M. peltata it is recognizable even in sterile con¬dition. In addition to its unusual leaves, M. peltata differs from closely allied species (discussed under M. iteophylla) by its red¬dish-pink petals and an inflorescence that is di¬varicately branched from the base.
Notes: [Description based only on Mesoamerican specimens.]