Nomenclature
Accepted name/Authority/Place of publication:
Jacquemontia staplesii Buril
Type:—BRAZIL. Bahia: Lençóis, about 7–10 km, along the main Seabra-Itaberaba road, 41º26’S 12º28’S, 27 May 1980, R. M. Harley 22710 (fl.) (holotype SP!, isotypes SPF!, K!, NY!).
Description
Habit:
Perennial shrub, ca. 40 cm high, erect, branched, lanate; trichomes T-shape, and 3–4-armed with the arms equal or unequal; internodes 4–8 mm long, leaves imbricate, densely imbricate at the apex of branches, hiding the inflorescences.
Leaves:
Leaf blades 1.7–2.4 × 1.2–1.5 cm, chartaceous, entire, margins slightly revolute, ovate to orbicular, the base rounded to slightly cordate, the apex rounded to acute with a mucron, lanate, discolorous, veins usually apparent on both surfaces; petiole 1–2 mm long.
Inflorescences:
Inflorescences umbelliform cymes, up to 17-flowered, sessile, usually terminal; bracteoles 0.5–1.5 × 0.1–0.3 cm, elliptic, margins sinuate, two per pedicel; pedicels ca. 2 mm long.
Flowers:
Sepals unequal, membranaceous, pubescent, entire, the 2 outer 8–10 × 1–2 mm, linear to lanceolate, the base truncate to rounded, the apex caudate, slightly sinuate, the 3 inner 6 × 1.5 mm, lanceolate, the base rounded, the apex acuminate; corolla 1.2–1.5 cm long, funnelform, pale blue, weakly lobed, midpetaline bands glabrescent; stamens heterandrous, 2 longer ca. 1 cm long, 3 shorter ca. 7 mm long, anthers sagittate, ca. 1 mm long, oblong, the base cordate; nectary present, ovary ca. 1 mm long, oblong, glabrous, 2-locular, 2 ovules per locule, style ca. 8 mm long, stigmatic lobes 0.5–1 mm long, ovoid flattened.
Conservation
IUCN Conservation ranking:
DD: Data deficient
Conservation Status:
Endemic to Brazil in the Espinhaço Range, in the Chapada Diamantina of Bahia in Brazil (Map 1), occurring in caatinga vegetation. Since there are no data on abundance, this species should be considered as data deficient (DD) according to the IUCN (2001) criteria.
Classification:
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