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-d0_s0" data-properties="whole_organism duration;whole_organism reproduction;whole_organism some measurement;whole_organism pubescence;whole_organism growth form"><b>Herbs,</b> perennial (dying back in winter to rootstock), not viviparous, 0.3–6 dm, glabrous [pubescent].</span> <span class="statement" id="st-d0_s1" data-properties="stem orientation;stem orientation;stem orientation;stem orientation;stem orientation;stem architecture;stem texture;rootstock orientation;rootstock orientation;rootstock orientation;rootstock orientation;rootstock orientation;rootstock architecture;rootstock texture;leaf coloration;leaf shape"><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;</span> <span class="statement" id="st-d0_s2" data-properties="scale-leaf coloration;rootstock fragility or size">flowering-stems from axils of brown scale-leaves on stout rootstock partly above ground.</span> <span class="statement" id="st-d0_s3" data-properties="leaf duration;cauline leaf arrangement;cauline leaf architecture;cauline leaf architecture"><b>Leaves </b>persistent, cauline, alternate, sessile, subclasping basally;</span> <span class="statement" id="st-d0_s4" data-properties="blade shape;blade shape;blade shape;blade position;blade some measurement;blade texture;base architecture or shape;margin shape;margin shape">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;</span> <span class="statement" id="st-d0_s5" data-properties="vein prominence">veins not conspicuous.</span> <span class="statement" id="st-d0_s6" data-properties="inflorescence architecture;inflorescence architecture"><b>Inflorescences </b>cymose or spikelike to subcapitate.</span> <span class="statement" id="st-d0_s7" data-properties="flower reproduction;flower reproduction;flower orientation;flower architecture"><b>Flowers </b>bisexual or unisexual, erect, 4–6-merous;</span> <span class="statement" id="st-d0_s8" data-properties="sepal fusion;sepal variability">sepals connate basally, all alike (unequal in R. rosea);</span> <span class="statement" id="st-d0_s9" data-properties="petal orientation;petal orientation;petal fusion;petal coloration;petal coloration;petal coloration;petal coloration;petal coloration;petal coloration;petal coloration">petals erect or spreading, distinct, greenish, white, rose, dark red, or yellowish;</span> <span class="statement" id="st-d0_s10" data-properties="calyx dehiscence;corolla dehiscence">calyx and corolla not circumscissile in fruit;</span> <span class="statement" id="st-d0_s11" data-properties="nectary shape">nectaries quadrate to linear;</span> <span class="statement" id="st-d0_s12" data-properties="stamen size or quantity;stamen position">stamens 2 times as many as sepals, epipetalous;</span> <span class="statement" id="st-d0_s13" data-properties="filament fusion">filaments mostly adnate to corolla at base;</span> <span class="statement" id="st-d0_s14" data-properties="pistil orientation;pistil fusion">pistils erect, nearly distinct;</span> <span class="statement" id="st-d0_s15" data-properties="ovary base course">ovary base straight;</span> <span class="statement" id="st-d0_s16" data-properties="style size or quantity">styles 2+ times shorter than ovary.</span> <span class="statement" id="st-d0_s17" data-properties="fruit orientation"><b>Fruits </b>erect.</span> <span class="statement" id="st-d0_s18" data-properties="seed shape;seed shape;seed architecture or shape;seed architecture or shape"><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://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V8/V8_329.xml |genus=Rhodiola |base architecture or shape=not spurred |blade position=laminar |blade shape=elliptic;ovate or oblanceolate |blade some measurement=0.5cm;5.5cm |blade texture=fleshy |calyx dehiscence=not circumscissile |cauline leaf architecture=subclasping;sessile |cauline leaf arrangement=alternate |corolla dehiscence=not circumscissile |filament fusion=adnate |flower architecture=4-6-merous |flower orientation=erect |flower reproduction=unisexual;bisexual |fruit orientation=erect |inflorescence architecture=spikelike to subcapitate;cymose |leaf coloration=brown |leaf duration=persistent |leaf shape=scale-like |margin shape=toothed;entire |nectary shape=quadrate;linear |ovary base course=straight |petal coloration=yellowish;dark red;yellowish;dark red;rose;white;greenish |petal fusion=distinct |petal orientation=spreading;erect |pistil fusion=distinct |pistil orientation=erect |rootstock architecture=branching |rootstock fragility or size=stout |rootstock orientation=decumbent;spreading;decumbent;spreading;erect |rootstock texture=fleshy |scale-leaf coloration=brown |seed architecture or shape=cross-ribbed;ribbed |seed shape=pyriform;oblanceoloid |sepal fusion=connate |sepal variability=alike |stamen position=epipetalous |stamen size or quantity=2 times as many as sepals |stem architecture=branching |stem orientation=decumbent;spreading;decumbent;spreading;erect |stem texture=fleshy |style size or quantity=2+ times shorter than ovary |vein prominence=not conspicuous |whole_organism duration=perennial |whole_organism growth form=herb |whole_organism pubescence=glabrous |whole_organism reproduction=not viviparous |whole_organism some measurement=0.3dm;6dm }}<!-- -->[[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.