Stilbocarpa polaris (Hombr. & Jacquinot ex Hook.f.) A.Gray
Details
Stilbocarpa polaris (Hombr. & Jacquinot ex Hook.f.) A.Gray, U.S. Explor. Exped., Phan. 714 (1854)
Nomenclature
(Hombr. & Jacquinot ex Hook.f.) A.Gray
Hook.f.
A.Gray
1854
714
ICN
species
Stilbocarpa polaris
Classification
Descriptions
Stilbocarpa polaris (Hombr. & Jacquinot ex Hook.f.) A.Gray
Herb forming dense masses up to 2 m. diam. and tall. Stems much-branched, arising from thick, fleshy rhizome, up to c. 4 cm. diam. Lvs on semiterete, sparingly hairy petioles up to c. 6 dm. long; sheath amplexicaul, produced above into a foliaceous lobed ligule. Lamina bright green above, paler below; veins prominent on both surfaces, flabellate; 20-35 (from sinus) × 30-45 cm., suborbicular-reniform, somewhat fleshy, clad on both surfaces with slender ± appressed hairs ± 1-2 cm. long or nearly glab. below; margins with ∞ irregular, broadly rounded-triangular, abruptly apiculate or toothed lobules. Umbels compound, axillary and terminal, up to c. 30 cm. diam. on very stout peduncles 10-15 cm. long, bearing patent slender hairs. Primary rays ± 5-10, up to c. 15 cm. long, stout; bracts foliaceous, us. deeply 3-(5)-lobed. Secondary rays ± 10, up to c. 5 cm. long; bracts smaller. Pedicels rather slender, ± 10 mm. long, bracts often entire. Fls ∞, ± 5 mm. diam.; petals waxy, yellow, with purple base. Fr. subglobose, shining, hollowed above, ± (4)-5-(6) mm. diam.
Stilbocarpa polaris (Hombr. & Jacquinot ex Hook.f.) A.Gray
2n = 48
Taxonomic concepts
Stilbocarpa polaris (Hombr. & Jacquinot ex Hook.f.) A.Gray
Stilbocarpa polaris (Hombr. & Jacquinot) A.Gray
Stilbocarpa polaris (Hombr. & Jacquinot ex Hook.f.) A.Gray
Stilbocarpa polaris (Hombr. & Jacquinot) A.Gray
Stilbocarpa polaris (Hombr. & Jacquinot ex Hook.f.) A.Gray
Stilbocarpa polaris (Hombr. & Jacquinot) A.Gray
Stilbocarpa polaris (Hombr. & Jacquinot ex Hook.f.) A.Gray
Stilbocarpa polaris (Hombr. & Jacquinot) A.Gray
Stilbocarpa polaris (Hombr. & Jacquinot ex Hook.f.) A.Gray
Stilbocarpa polaris (Hombr. & Jacquinot) A.Gray
Stilbocarpa polaris (Hombr. & Jacquinot ex Hook.f.) A.Gray
Stilbocarpa polaris (Hombr. & Jacquinot ex Hook.f.) A.Gray
Stilbocarpa polaris (Hombr. & Jacquinot ex Hook.f.) A.Gray
Collections
Metadata
9cafadc5-4e57-42bc-a4c3-64c0850b5fa2
scientific name
Names_Plants
1 January 2000
24 November 2017