Taxon Details: Agarista angustissima Taub.
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Narratives:
Family:
Ericaceae (Magnoliophyta)
Ericaceae (Magnoliophyta)
Scientific Name:
Agarista angustissima Taub.
Agarista angustissima Taub.
Primary Citation:
Bot. Jahrb. Syst. 17: 513. 1893
Bot. Jahrb. Syst. 17: 513. 1893
Accepted Name:
This name is currently accepted.
This name is currently accepted.
Description:
Description: Shrub to ca. 2 m tall; twigs with or without gland-headed hairs, otherwise glabrous, with non-chambered pith; buds to ca. 1 mm long, leaves conduplicate. Leaves coriaceous, linear and curved, to narrowly ovate in juvenile leaves, (1.7-)3-9 x 0.1-0.5 cm, but appearing narrower because entire lamina strongly adaxially folded, thus obscuring adaxial surface, base narrowly cuneate, apex narrowly acute to short-acuminate, margin entire, to serrulate in juvenile leaves due to the presence of gland-headed hairs, plane, adaxial surface glabrous, abaxial surface with or without gland-headed hairs, otherwise glabrous, lacking or with few inconspicuous glandular dots along midvein; petiole 5.5-15(-20) mm long, slender, often flexuous. Inflorescences axillary racemes, or terminal racemes or panicles, to 2-6 cm long; rachis glabrous; pedicels 4.5-14 mm long, glabrous (very slightly pubescent); bracteoles 2, alternate to opposite, from nearly basal to within lower 1/4 of pedicel, narrowly triangular to linear, to ca. 1 mm long; floral bracts to ca. 3 mm long, grading into leaves. Flowers with triangular calyx lobes, with acuminate apices, 1-1.5 x 0.5-1.1 mm, abaxial surface glabrous; corolla cylindrical, white or cream, 6.5-10.5 x 2.5-3.5 mm, glabrous; filaments 4-5 mm long; anthers 1-1.7 mm long; ovary glabrous. Capsules short-ovoid to subglobose, 3.5-5.5 x 5-7 mm, placentae subapical to nearly central; seeds 1.5-2.9 mm long.
Distribution: Endemic to SE Brazil (Minas Gerais), in cerrado vegetation, moist rocky areas, at ca. 1200-1400 m alt. Flowering November.
Illustration: Judd (1995), fig. 14.
Type: Brazil. Minas Gerais: Pinheiro, nr. Biribiri, 26 Mar 1892, Glaziou 19582 (holotype, B, destroyed; frag. and photo of holotype, F; photo of holotype, GH; isotypes, BR, n.v., F, G, K, MO, NY, P).
Literature:Judd, W. J. 1995. Agarista. In: Luteyn, J. L., W. S. Judd, S. E. Clemants, G. M. Diggs, P.D. Sørensen, L. J. Dorr & G. D. Wallace. Ericaceae. Part II. The superior-ovaried genera (Monotropoideae, Pyroloideae, Rhododendroideae, and Vaccinioideae p.p.). Fl. Neotrop. 66: 1-560.
Description: Shrub to ca. 2 m tall; twigs with or without gland-headed hairs, otherwise glabrous, with non-chambered pith; buds to ca. 1 mm long, leaves conduplicate. Leaves coriaceous, linear and curved, to narrowly ovate in juvenile leaves, (1.7-)3-9 x 0.1-0.5 cm, but appearing narrower because entire lamina strongly adaxially folded, thus obscuring adaxial surface, base narrowly cuneate, apex narrowly acute to short-acuminate, margin entire, to serrulate in juvenile leaves due to the presence of gland-headed hairs, plane, adaxial surface glabrous, abaxial surface with or without gland-headed hairs, otherwise glabrous, lacking or with few inconspicuous glandular dots along midvein; petiole 5.5-15(-20) mm long, slender, often flexuous. Inflorescences axillary racemes, or terminal racemes or panicles, to 2-6 cm long; rachis glabrous; pedicels 4.5-14 mm long, glabrous (very slightly pubescent); bracteoles 2, alternate to opposite, from nearly basal to within lower 1/4 of pedicel, narrowly triangular to linear, to ca. 1 mm long; floral bracts to ca. 3 mm long, grading into leaves. Flowers with triangular calyx lobes, with acuminate apices, 1-1.5 x 0.5-1.1 mm, abaxial surface glabrous; corolla cylindrical, white or cream, 6.5-10.5 x 2.5-3.5 mm, glabrous; filaments 4-5 mm long; anthers 1-1.7 mm long; ovary glabrous. Capsules short-ovoid to subglobose, 3.5-5.5 x 5-7 mm, placentae subapical to nearly central; seeds 1.5-2.9 mm long.
Distribution: Endemic to SE Brazil (Minas Gerais), in cerrado vegetation, moist rocky areas, at ca. 1200-1400 m alt. Flowering November.
Illustration: Judd (1995), fig. 14.
Type: Brazil. Minas Gerais: Pinheiro, nr. Biribiri, 26 Mar 1892, Glaziou 19582 (holotype, B, destroyed; frag. and photo of holotype, F; photo of holotype, GH; isotypes, BR, n.v., F, G, K, MO, NY, P).
Literature:
Flora and Monograph Treatment(s):
Agarista angustissima Taub.: [Article] Luteyn, James L., et al. 1995. Ericaceae, Part II. The Superior-Ovaried Genera (Monotropoideae, Pyroloideae, Rhododendroideae, and Vaccinioideae P.P.). Fl. Neotrop. Monogr. 66: 560.
Agarista angustissima Taub.: [Article] Luteyn, James L., et al. 1995. Ericaceae, Part II. The Superior-Ovaried Genera (Monotropoideae, Pyroloideae, Rhododendroideae, and Vaccinioideae P.P.). Fl. Neotrop. Monogr. 66: 560.