trigonous

Stigmas capitate. Achenes exceeding persistent perianth, brown, shiny, broadly ellipsoid, trigonous.

Capsule chestnut brown, shiny, trigonous ovoid, longer than perianth, apex mucronate.

stigmas capitate. Achenes included in persistent perianth, dark brown, dull, nearly orbicular, biconvex or trigonous, ca. 3 mm.

anthers oblong. Ovary ellipsoid, trigonous.

Achenes included in persistent perianth, shiny, narrowly ellipsoid, trigonous, ca. 2 mm, smooth.

stigmas capitate. Achenes slightly exceeding persistent perianth, black-brown, shiny, ellipsoid, trigonous, 4-5 mm, tapered at both ends.

Achenes light brown, shiny, trigonous-ovoid, smooth.

stigmas capitate. Achenes included in persistent perianth, black, opaque, ovoid, trigonous or biconvex, 1-2 mm, finely glandular or pitted.

stigmas capitate. Achenes trigonous, not winged or horned at base.

Seeds brownish black, trigonous-ellipsoid, ca. 3 mm, glabrous or sparsely floccose at margin and hilum.

Achenes dark brown, shiny, ovoid or trigonous-ovoid, smooth.

Styles 3; stigmas capitate. Achenes exceeding persistent perianth, black-brown, shiny, ovoid, sharply trigonous, ca. 3 mm.

stigmas capitate. Achenes included in persistent perianth, black-brown, dull, subglobose, weakly trigonous, ca. 3 mm.

Styles 3; stigmas capitate. Achenes light brown, shiny, ovoid, trigonous, equaling persistent perianth, ca. 3 mm.

Styles 3; stigmas fimbriate. Achenes ovoid, trigonous.

Capsule blackish brown at maturity, trigonous ovoid, ca. 2 mm, apex mucronate.

stigmas capitate. Achenes included in persistent perianth, black-brown, shiny, ovoid, trigonous, ca. 3. 5 mm.

Capsule narrowly ellipsoid, trigonous, 6--7 mm (excluding apiculus), acute at both ends, apiculate at apex.

Achenes blackish brown, shiny, ellipsoid, trigonous, ca. 2 mm.

Achenes included in persistent perianth, black-brown, slightly shiny, broadly ovoid, trigonous, 3. 5-4 mm, densely granular particulate.

Capsule obtuse at apex, obovoid, trigonous, ca. 7 mm, much shorter than sepals.

Achenes dark brown to black, dull to shiny, 3-4 mm, usually ovoid, sharply trigonous, punctate to smooth, apex acute.

Achenes included in persistent perianth, black-brown, shiny, broadly ovoid, trigonous, ca. 2. 5 mm.

Achenes included in persistent perianth, black-brown, shiny, ovoid, trigonous, ca. 1. 5 mm, smooth.

carpel stalk trigonous-conic, as long as lobes of disk.

Capsule broadly oblong, trigonous, ca. 2. 5 mm, densely hirsutulous at apex. Seeds gray-brown, pitted.

stigmas capitate. Achenes included in persistent perianth, black-brown, shiny, broadly ovoid, trigonous or biconvex, 1. 5-2 mm, smooth.

Achenes slightly exceeding persistent perianth, brown, shiny, broadly ovoid, trigonous, 2. 5-3 mm, constricted at base, apex acute.

Achenes blackish brown, dull, broadly ovoid, 6-8 mm, trigonous, sometimes narrowly winged, angles smooth to repandous, apex acute.

Seed 1, obovoid-trigonous or reniform, glabrous.

Achenes dark brown, shiny, broadly ovoid, sharply trigonous, ca. 2. 5 mm, base narrow, apex acute.

ovules 2 per locule. Capsule 3-valved, obovoid- or broadly oblong, trigonous.

Nutlets brown, subulate, trigonous-tetrahedral, ca. 1. 5 mm, smooth.

Capsule trigonous, ca. 2 mm, hirsutulous at apex.

stigmas capitate. Achenes included in persistent perianth, black-brown, shiny, ovoid, trigonous, 2. 5-3 mm.

Capsule black-brown to brown, shiny, trigonous oblong to trigonous ellipsoid, 2. 6--3 mm, apex mucronate.

stigmas capitate. Achenes black-brown, opaque, broadly ovoid, trigonous, 2-2. 5 mm, punctate.

Achenes included in persistent perianth, opaque, ovoid, trigonous, 2. 5-3 mm, glandular.

Capsule trigonous subglobose, subequaling inner perianth segments, ca. 1. 9 mm in diam. , apex obtuse and very shortly mucronate.

rudimentary ovary trigonous-ovoid, ca. 0. 7 mm, papillose.

stigmas capitate. Achenes black, opaque, ovoid, trigonous, 2-2. 5 mm, densely punctate.

Capsule columnar, trigonous, ca. 2. 5 mm, hirsutulous at apex.

Achenes brown, shiny, ellipsoid, 2. 5-3 mm, sharply trigonous, base narrow, apex acute.

Achenes brown, shiny, ellipsoid, sharply trigonous, 2. 5-3 mm, base narrow, apex acute.

Styles 3; stigmas capitate. Achenes included in persistent perianth, black, shiny, ovoid, trigonous, 2. 5-3 mm.

rudimentary ovary ovoid-trigonous, ca. 0. 5 mm.

Achenes yellow-brown, shiny, ellipsoid, sharply trigonous, 1. 5-2 mm.

antherodes 3-sect. Capsule broadly ovoid, trigonous, 5(--6) mm, apex obtuse, apiculate.

mericarps trigonous-ovate, ca. 1 mm.

Leaf blade 2-lobed at base, rarely entire; achenes biconvex or trigonous, 1. 8-2 mm, finely pitted.

anthers ca. 0. 7 mm. Capsule dark chestnut brown, shiny, trigonous oblong, 2. 8--3. 5 mm, apex cuspidate.

stigmas capitate. Achenes trigonous, ellipsoid or oblong-ovoid, woody;

Female flowers: ovary 3-celled, ovoid-globose-trigonous, densely appressed hairy;

Ovary trigonous, glabrous except on ridges;

Stigmas capitate. Achenes broadly ovoid, nearly orbicular, 4-5 mm in diam. , trigonous, winged along angles, apex acute;

Capsule 3-valved, ovoid, trigonous;

Seeds (1 or)2 or 3 per valve, shortly cylindric, trigonous, rugose or radiate striate;

Capsule trigonous oblong, ca. 2. 4 mm;