Taxon Details: Miconia correae Almeda
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Narratives:
Family:
Melastomataceae (Magnoliophyta)
Melastomataceae (Magnoliophyta)
Scientific Name:
Miconia correae Almeda
Miconia correae 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, Dressler 5806 (CAS!).
Description: Shrub to 1 m tall, the internodes terete, sparsely covered with spreading smooth glandular hairs when young like the inflorescence but becoming glabrous with age. Distal branchlet nodes copiously setose with spreading hairs (glandular in part) 1-1.75 mm long. Leaves of a pair unequal in size; blades 5-7-nerved, cordate varying to ovate, 2.9-6.2 x 1 .5-3.8 cm, apex caudate-acuminate, base cordate to broadly rounded, margin ciliate-serrulate, adaxially glabrous, abaxially sparingly and irregularly covered with minute inconspicuous deciduous glandular hairs; petioles 1-2.9 cm long. Inflorescence 4-4.5 cm long, paniculiform, reportedly pendent with ultimate branchlets terminating in simple cymes or solitary flowers; flowers 4-merous on glandular-pubescent pedicels 1-2 mm long; bracts ensiform to ligulate, 2-3 x 0.5 mm (including apical hair); bracteoles narrowly lanceolate to subulate, 2 mm long (including apical hair) and less than 0.5 mm wide, glabrous on both surfaces. Hypanthia glabrous throughout. Calyx lobes on flowering hypanthia, glabrous throughout, rounded-deltoid, 1 X 1.5-2 mm; exterior calyx teeth subulate, 2.5-3 mm long, adnate to and exceeding the calyx lobes. Petals, white, glabrous, elliptic-ovate, rounded at the apex, 0.7-1 x 0.4-0.5 cm. Anthers isomorphic 2.5 mm long, yellow, subulate, rounded apically with a dorsally inclined pore; connective conspicuously thickened dorsally and prolonged basally into a caudiform appendage 0.5 mm long. Style 7 mm long; stigma capitellate; ovary (at anthesis) 4-locular, completely inferior, glabrous at the exposed apex. Mature berry and seed not seen.
Habitat and Distribution: Rocky areas in cloud forest. 1300 m. PANAMA (known only from the type).
Taxonomy and Systematics: This species most closely resembles M. zemurrayana Standl. & L. 0. Williams of Mexico (Chiapas), Guatemala, El Salvador, and Honduras. They are similar in flower size, petal color, and the elongate projecting calyx teeth. Miconia zemurrayana differs most conspicuously in having glabrous internodes, narrower lanceolate leaves (0.5-1.7 cm) that are coarsely denticulate (at least distally), 5-merous flowers, unappendaged anther connectives, and ventrally inclined anther pores.
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, Dressler 5806 (CAS!).
Description: Shrub to 1 m tall, the internodes terete, sparsely covered with spreading smooth glandular hairs when young like the inflorescence but becoming glabrous with age. Distal branchlet nodes copiously setose with spreading hairs (glandular in part) 1-1.75 mm long. Leaves of a pair unequal in size; blades 5-7-nerved, cordate varying to ovate, 2.9-6.2 x 1 .5-3.8 cm, apex caudate-acuminate, base cordate to broadly rounded, margin ciliate-serrulate, adaxially glabrous, abaxially sparingly and irregularly covered with minute inconspicuous deciduous glandular hairs; petioles 1-2.9 cm long. Inflorescence 4-4.5 cm long, paniculiform, reportedly pendent with ultimate branchlets terminating in simple cymes or solitary flowers; flowers 4-merous on glandular-pubescent pedicels 1-2 mm long; bracts ensiform to ligulate, 2-3 x 0.5 mm (including apical hair); bracteoles narrowly lanceolate to subulate, 2 mm long (including apical hair) and less than 0.5 mm wide, glabrous on both surfaces. Hypanthia glabrous throughout. Calyx lobes on flowering hypanthia, glabrous throughout, rounded-deltoid, 1 X 1.5-2 mm; exterior calyx teeth subulate, 2.5-3 mm long, adnate to and exceeding the calyx lobes. Petals, white, glabrous, elliptic-ovate, rounded at the apex, 0.7-1 x 0.4-0.5 cm. Anthers isomorphic 2.5 mm long, yellow, subulate, rounded apically with a dorsally inclined pore; connective conspicuously thickened dorsally and prolonged basally into a caudiform appendage 0.5 mm long. Style 7 mm long; stigma capitellate; ovary (at anthesis) 4-locular, completely inferior, glabrous at the exposed apex. Mature berry and seed not seen.
Habitat and Distribution: Rocky areas in cloud forest. 1300 m. PANAMA (known only from the type).
Taxonomy and Systematics: This species most closely resembles M. zemurrayana Standl. & L. 0. Williams of Mexico (Chiapas), Guatemala, El Salvador, and Honduras. They are similar in flower size, petal color, and the elongate projecting calyx teeth. Miconia zemurrayana differs most conspicuously in having glabrous internodes, narrower lanceolate leaves (0.5-1.7 cm) that are coarsely denticulate (at least distally), 5-merous flowers, unappendaged anther connectives, and ventrally inclined anther pores.
Notes: [Description based only on Mesoamerican specimens.]