familyRanunculaceae
genusXanthorhiza
Show Lower Taxa
Difference between revisions of "Xanthorhiza"
Arbust. Amer., 167. 1785.
Common names: Yellowroot
Etymology: Greek xanthos, yellow, and rhiza, root
Treatment appears in FNA Volume 3.
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Shrubs,</b> deciduous, from long, slender, yellow rhizomes. <b>Leaves</b> cauline, petiolate; cauline leaves alternate. <b>Leaf</b> blade 1-2-pinnately compound; leaflets lance-ovate to broadly ovate or rhombic, margins variously sharply cleft, incised, or serrate. <b>Inflorescences</b> axillary, many-flowered panicles, 5-21 cm; bracts scalelike, not forming involucre. <b>Flowers</b> bisexual, radially symmetric; sepals persistent in fruit, 5, dark brown-purple to greenish yellow, plane, lanceolate to oblanceolate, usually clawed, ca. 2.5-5 mm; petals 5, distinct, brown-purple, plane, peltate, 0.5-0.9 mm; nectary terminal, transversely oblong, 2-lobed; stamens 5 (or 10); filaments with base expanded; staminodes absent between stamens and pistils; pistils (2-)5-10, simple; ovules 2, basal ovule aborting; style present. <b>Fruits</b> follicles, aggregate, sessile, compressed, obliquely oblong or somewhat sickle-shaped, sides not veined; beak becoming abaxial, curved, 0.4-0.8 mm. <b>Seeds</b> reddish brown, ovoid, smooth. <b>x</b>=18.</span><!-- |
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| − | |distribution=North America | + | |distribution=North America. |
|discussion=<p>Species 1 (1 in the flora).</p> | |discussion=<p>Species 1 (1 in the flora).</p> | ||
|tables= | |tables= | ||
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|basionyms= | |basionyms= | ||
|family=Ranunculaceae | |family=Ranunculaceae | ||
| − | |distribution=North America | + | |distribution=North America. |
|reference=None | |reference=None | ||
|publication title=Arbust. Amer., | |publication title=Arbust. Amer., | ||
|publication year=1785 | |publication year=1785 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna- | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V3/V3_202.xml |
|genus=Xanthorhiza | |genus=Xanthorhiza | ||
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Revision as of 13:35, 27 July 2019
Shrubs, deciduous, from long, slender, yellow rhizomes. Leaves cauline, petiolate; cauline leaves alternate. Leaf blade 1-2-pinnately compound; leaflets lance-ovate to broadly ovate or rhombic, margins variously sharply cleft, incised, or serrate. Inflorescences axillary, many-flowered panicles, 5-21 cm; bracts scalelike, not forming involucre. Flowers bisexual, radially symmetric; sepals persistent in fruit, 5, dark brown-purple to greenish yellow, plane, lanceolate to oblanceolate, usually clawed, ca. 2.5-5 mm; petals 5, distinct, brown-purple, plane, peltate, 0.5-0.9 mm; nectary terminal, transversely oblong, 2-lobed; stamens 5 (or 10); filaments with base expanded; staminodes absent between stamens and pistils; pistils (2-)5-10, simple; ovules 2, basal ovule aborting; style present. Fruits follicles, aggregate, sessile, compressed, obliquely oblong or somewhat sickle-shaped, sides not veined; beak becoming abaxial, curved, 0.4-0.8 mm. Seeds reddish brown, ovoid, smooth. x=18.
Discussion
Species 1 (1 in the flora).
Selected References
None.