Seymeria cassioides (J.F. Gmelin) Blake. Common name: Senna Seymeria, Yaupon Blacksenna. Phenology: Aug-Oct. Habitat: Dry to moist pinelands, wet pine savannas, longleaf pine sandhills, other dry woodlands, an obligate hemiparasite on Pinus spp. Distribution: Se. VA south to c. peninsular FL, west to LA; disjunct in nc. AL and se. TN (Chester, Wofford, & Kral 1997; Tennessee Flora Committee 2015); n. Bahamas.
Origin/Endemic status: Native
Synonymy ⓘ: = Ar, Bah, C, F, Fl7, FNA17, G, GW2, K4, RAB, Tx, Va, WH3, Pennell (1935); = Afzelia cassioides J.F.Gmel. — S. Basionym: Afzelia cassioides J.F.Gmel. 1791
Links to other floras: = Seymeria cassioides - FNA17
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Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: FAC
- Eastern Mountains and Piedmont: FAC
- Great Plains: FAC
Heliophily ⓘ: 8
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© Gary P. Fleming | Original Image ⭷
© Gary P. Fleming | Original Image ⭷
© Scott Ward | Original Image ⭷
© Aidan Campos source | Original Image ⭷
© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
© Bruce A. Sorrie | Original Image ⭷
© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
© Alan M. Cressler | Original Image ⭷
© Aidan Campos source | Original Image ⭷Feedback
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Horticultural Information
Intro: Erect annual of dry to moist pinelands, wet pine savannas, sandhills and other dry woodlands.
Stems: Stems bushy-branched and smooth or finely hairy.
Leaves: Leaves opposite, short-petiolate to sessile, to 3/4 in. long, pinnately divided into many narrow needle-like segments, pale green and often red-tinged.
Inforescence:
Flowers: Flowers in leafy racemes terminating branches, pale yellow, about â…“ in. wide, bilaterally symmetric, consisting of a short corolla tube with 5 spreading, unequal lobes (usually with a red triangle at the base of each of the 3 lower lobes, and splotchy red on the other 2 lobes), a bell-shaped-tubular calyx with 5 lobes and 4 protruding stamens. Buds and outside of petals lack hairs.
Fruits: Fruit an urn- or pear-shaped capsule.
Comments: Parasitic on the roots of pine trees.
Height: 2-3 ft.
plant sale text:
bloom table text:
description: Erect annual of dry to moist pinelands, wet pine savannas, sandhills and other dry woodlands.
stems: Stems bushy-branched and smooth or finely hairy.
leaves: Leaves opposite, short-petiolate to sessile, to 3/4 in. long, pinnately divided into many narrow needle-like segments, pale green and often red-tinged.
inflorescence:
flowers: Flowers in leafy racemes terminating branches, pale yellow, about â…“ in. wide, bilaterally symmetric, consisting of a short corolla tube with 5 spreading, unequal lobes (usually with a red triangle at the base of each of the 3 lower lobes, and splotchy red on the other 2 lobes), a bell-shaped-tubular calyx with 5 lobes and 4 protruding stamens. Buds and outside of petals lack hairs.
fruits: Fruit an urn- or pear-shaped capsule.
comments: Parasitic on the roots of pine trees.
cultural notes:
germination code:
native range:
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