Difference between revisions of "Macranthera flammea"
Bull. Torrey Bot. Club 40: 124. 1913.
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|name=Gerardia flammea | |name=Gerardia flammea | ||
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name=Macranthera flammea | name=Macranthera flammea | ||
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|genus=Macranthera | |genus=Macranthera | ||
|species=Macranthera flammea | |species=Macranthera flammea | ||
Latest revision as of 20:24, 5 November 2020
Perennials or biennials monocarpic, blackening upon drying. Stems virgately branched distally, 4-angled, 8–35 dm. Leaves: petiole winged, to 2 cm; blade lanceolate to narrowly ovate, 8–15 x 2–6 cm, smaller distally, surfaces glabrate. Racemes 8–36 cm. Pedicels deflexed-spreading proximally, strongly upcurved distally. Flowers: calyx tube 2–4 mm, retrorsely puberulent, lobes 7.5–15 mm, longer than tube; corolla 20–25 mm, exterior densely glandular-mealy, lobes 3–4.5 mm, shorter than tube, abaxial lobes reflexed-spreading, adaxial erect; stamens long-exserted, filaments orange, 15–46 mm; style long-exserted, 28–36 mm, glabrous. Capsules brown, ovoid, 9.5–13 mm, densely puberulent. Seeds 2.5–3 mm, wings 2–5. 2n = 26.
Phenology: Flowering Aug–Oct.
Habitat: Periodically burned streamheads and ecotones, baygall ecotones, seepage slopes, margins of shrub-tree bogs, cypress-gum depressions.
Elevation: 0–100 m.
Distribution
Ala., Fla., Ga., La., Miss.
Discussion
Macranthera flammea is one of the more striking plants in the flora area due to its remarkable height (for an herb) and numerous, brilliant orange flowers; it is best able to compete with associated shrubs and trees by flowering prolifically following fire and attracting hummingbirds. There is precise coincidence in the flowering of this species and the arrival of ruby-throated hummingbirds (Archilochus colubris) prior to their trans-Gulf migration to Central America (A. L. Pickens 1927).
Selected References
None.