Difference between revisions of "Iris fulva"
Bot. Mag. 36: plate 1496. 1812.
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|common_names=Copper iris | |common_names=Copper iris | ||
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| + | |code=F | ||
| + | |label=Illustrated | ||
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|publication year=1812 | |publication year=1812 | ||
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| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V26/V26_803.xml |
|genus=Iris | |genus=Iris | ||
|subgenus=Iris subg. Limniris | |subgenus=Iris subg. Limniris | ||
Latest revision as of 21:17, 5 November 2020
Rhizomes compact, greenish brown or sometimes red-tinged, many-branched, with ringlike scars of old leaves, 1.5–2 cm diam. Stems simple or sometimes 1–2-branched, solid, 3–9 dm. Leaves: basal arching distally, blade bright green, lightly ribbed, linear-ensiform, 6–10 dm × 1.5–2.5 cm; cauline subtending branches, blade 4.5–6 dm. Inflorescence units 1–2-flowered; spathes unequal, outer green, 10–12 cm, herbaceous, inner 6–8 cm, partly scarious. Flowers: perianth copper colored or reddish brown (yellow in forma fulvaurea); floral tube hollow to ovary, 2–2.5 cm; sepals widely spreading or arching downward, obovate, with 1–3 prominent veins, 4.5–5.5 cm, glabrous, often with lighter yellow basal signal; petals spreading or declining with sepals, 4–5 × 1.5–2 cm, base gradually attenuate, apex deeply emarginate; ovary green, hexagonal, 1.5–1.7 cm; style convex, not keeled, 1.8–2 cm, crests reflexed, rounded-triangular, margins shallowly toothed; stigmas 2-lobed, lobes pointed, margins entire; pedicel 2–4 cm. Capsules remaining green even after seeds mature, oblong-elliptic, hexagonal in cross section, with 6 equally spaced ribs, short beak, 4.5–8 × 2.5 cm. Seeds in 2 rows per locule, irregular, flattened, 10–15 mm, corky. 2n = 42.
Phenology: Flowering Apr–Jun.
Habitat: Shallow water or low wet areas
Distribution
Ark., Ill., Ky., La., Miss., Mo., Tenn.
Discussion
Iris fulva hybridizes with I. brevicaulis to produce I. ×fulvala Dykes, which has reddish purple sepals; with I. giganticaerulea to produce I. ×vinicolor Small; and with I. savannarum to produce I. ×cacique (J. Berry) N. C. Henderson.
Selected References
None.