View source for Rhodiola ← Rhodiola You do not have permission to edit this page, for the following reason: The action you have requested is limited to users in the group: Users. You can view and copy the source of this page. {{Treatment/ID |accepted_name=Rhodiola |accepted_authority=Linnaeus |publications={{Treatment/Publication |title=Sp. Pl. |place=2: 1035. 1753 |year=1753 }}{{Treatment/Publication |title=Gen. Pl. ed. |place=5, 457. 1754 , }} |common_names=Roseroot |basionyms= |synonyms= |hierarchy=Crassulaceae;Rhodiola |hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Crassulaceae]]</div><div class="higher-taxon"><small>genus</small>[[Rhodiola]]</div></div> |etymology=Greek rhodon, rose, alluding to odor of rootstock in R. rosea |volume=Volume 8 |mention_page=page 147, 149 |treatment_page=page 164 }}<!-- --><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> perennial (dying back in winter to rootstock), not viviparous, 0.3–6 dm, glabrous [pubescent]. <b>Stems</b> a rootstock with apex mostly above ground, erect, spreading, or decumbent, commonly branching to form clumps, fleshy, with brown scalelike [or green] leaves; flowering stems from axils of brown scale-leaves on stout rootstock partly above ground. <b>Leaves</b> persistent, cauline, alternate, sessile, subclasping basally; blade elliptic to ovate or oblanceolate to linear, obovate, or oblong, laminar (mostly to 1 mm thick), 0.5–5.5 cm, somewhat fleshy, base not spurred, margins entire or toothed; veins not conspicuous. <b>Inflorescences</b> cymose or spikelike to subcapitate. <b>Flowers</b> bisexual or unisexual, erect, 4–6-merous; sepals connate basally, all alike (unequal in R. rosea); petals erect or spreading, distinct, greenish, white, rose, dark red, or yellowish; calyx and corolla not circumscissile in fruit; nectaries quadrate to linear; stamens 2 times as many as sepals, epipetalous; filaments mostly adnate to corolla at base; pistils erect, nearly distinct; ovary base straight; styles 2+ times shorter than ovary. <b>Fruits</b> erect. <b>Seeds</b> oblanceoloid or pyriform, ribbed, finely cross-ribbed.</span><!-- -->{{Treatment/Body |distribution=North America;Eurasia;montane to arctic areas. |discussion=<p>Species ca. 40 (3 in the flora).</p><!-- --><p>In Rhodiola, inflorescences are borne in axils of scale leaves on the rootstocks, which are partly above ground. They are thinner and leafier than those of Hylotelephium. This treatment largely follows R. T. Clausen (1975), except that he made Rhodiola a subgenus of Sedum.</p> |tables= |references= }}<!-- --><div class="treatment-key"> ==Key== <div class="treatment-key-group"> {| class="wikitable fna-keytable" |-id=key-0-1 |1 |Inflorescences spikelike or subcapitate, 1-3.5 cm diam.; flowers bisexual; petals greenish or white to rose, 6-13 mm, longer than stamens; beaks of follicles erect. |[[Rhodiola rhodantha|Rhodiola rhodantha]] |-id=key-0-1 |1 |Inflorescences corymbose cymes, to 8 cm diam.; flowers mostly unisexual (and plants mostly dioecious); petals yellow to greenish yellow and sometimes red at tips, or dark red and sometimes yellow basally and red apically, 1-5 mm, shorter than stamens; beaks of follicles spreading |[[#key-0-2| > 2]] |-id=key-0-2 |2 |Petals mostly dark red, sometimes yellowish at base or yellow with apical 1/3 red, in staminate flowers 1.3-1.7 mm wide; leaf blades commonly bright green, sometimes glaucous. |[[Rhodiola integrifolia|Rhodiola integrifolia]] |-id=key-0-2 |2 |Petals pale yellow to greenish yellow, sometimes red at tips, in staminate flowers 0.7-1.1 mm wide; leaf blades pale green, usually glaucous. |[[Rhodiola rosea|Rhodiola rosea]] |} </div></div><!-- -->{{#Taxon: name=Rhodiola |author=Reid V. Moran |authority=Linnaeus |rank=genus |parent rank=family |synonyms= |basionyms= |family=Crassulaceae |distribution=North America;Eurasia;montane to arctic areas. |reference=None |publication title=Sp. Pl.;Gen. Pl. ed. |publication year=1753; |special status= |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V8/V8_329.xml |genus=Rhodiola }}<!-- -->[[Category:Treatment]][[Category:Crassulaceae]] Templates used on this page: Template:Crassulaceae (view source) Template:Treatment/AuthorLink (view source) Template:Treatment/Body (view source) Template:Treatment/Body/Maps (view source) Template:Treatment/ID (view source) Template:Treatment/Publication (view source) Return to Rhodiola.