View source for Aruncus

{{Treatment/ID
|accepted_name=Aruncus
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Opera Var.,
|place=259. 1758
|year=1758
}}
|common_names=Goat’s-beard;bride’s-feathers;barbe-de-bouc
|basionyms=
|synonyms=
|hierarchy=Rosaceae;Rosaceae subfam. Amygdaloideae;Rosaceae tribe Spiraeeae;Aruncus
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Rosaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Rosaceae subfam. Amygdaloideae]]</div><div class="higher-taxon"><small>tribe</small>[[Rosaceae tribe Spiraeeae]]</div><div class="higher-taxon"><small>genus</small>[[Aruncus]]</div></div>
|etymology=Greek arunkos, goat’s beard, alluding to showy fingerlike clusters forming feathery flowers
|volume=Volume 9
|mention_page=page 398, 416
|treatment_page=page 422
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> perennial, clump-forming, 5–15(–20) dm, herbage glabrous or sparsely to densely hairy, hairs simple, straight to curved, sometimes multicellular or glandular; rhizomatous, rhizomes thick, branching, woody; roots coarse, fibrous. <b>Stems</b> 1–5, erect, stout, simple, sometimes glaucous. <b>Leaves</b> deciduous, cauline, alternate, 2–3-irregularly ternate to odd-pinnate, equivalent to 2–3 pinnate; petiole present, relatively long, base 1/2 sheathing stems; blade broadly ovate, cauline reduced in size and complexity distally, 15–60 cm, thick to thin, leaflets 9–45, long-petiolulate, broadly ovate to narrowly lanceolate, margins flat, [serrate to] doubly serrate, venation pinnate. <b>Inflorescences</b> terminal, 500–2500-flowered, racemes forming panicles; bracts present; bracteoles present hairs simple, glandular. <b>Pedicels</b> present. <b>Flowers</b> unisexual (plants dioecious, rarely polygamous), 3–4 mm diam.; epicalyx bractlets 0; hypanthium shallowly bowl-shaped, 0.5–1 mm, nectary ring inside with simple, glandular hairs; sepals persistent, 5, spreading, triangular, margins entire; petals 5, white, obovate to elliptic, base cuneate; staminate: stamens (15–)20(–30) in 1 series (between calyx and nectar ring), longer than petals; torus minute; pistillate: nectar ring scarcely developed, stamens rudimentary, carpels 3, free, glabrous, styles terminal; ovules 2–4. <b>Fruits</b> follicles, 3(or 4), pedicels recurving, fruits inverted, retrorse, ovate-elongate, 1.5–5 mm, shining, glabrous, dehiscent along whole adaxial suture; hypanthium persistent; sepals persistent, spreading to appressed; styles persistent, forming a beak. <b>Seeds</b> 2–4, elongate, membranous, caudate at both ends, scalariform-reticulate, seed coat loose. <b>x</b> = 7, 9.</span><!--

-->{{Treatment/Body
|distribution=North America;Eurasia;temperate regions.
|discussion=<p>Species 1.</p>
|tables=
|references={{Treatment/Reference
|id=mellichamp1976a
|text=Mellichamp, T. L. 1976. A Comparative Study of Aruncus (Rosaceae) and Astilbe (Saxifragaceae), and the Problem of Their Relationships. Ph.D. dissertation. University of Michigan.
}}
}}<!--

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-->{{#Taxon:
name=Aruncus
|author=T. Lawrence Mellichamp
|authority=Linnaeus
|rank=genus
|parent rank=tribe
|synonyms=
|basionyms=
|family=Rosaceae
|distribution=North America;Eurasia;temperate regions.
|reference=mellichamp1976a
|publication title=Opera Var.,
|publication year=1758
|special status=
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V9/V9_712.xml
|subfamily=Rosaceae subfam. Amygdaloideae
|tribe=Rosaceae tribe Spiraeeae
|genus=Aruncus
}}<!--

-->[[Category:Treatment]][[Category:Rosaceae tribe Spiraeeae]]