View source for Geum radiatum

{{Treatment/ID
|accepted_name=Geum radiatum
|accepted_authority=Michaux
|publications={{Treatment/Publication
|title=Fl. Bor.-Amer.
|place=1: 300. 1803
|year=1803
}}
|common_names=Appalachian or spreading avens
|special_status={{Treatment/ID/Special_status
|code=C
|label=Conservation concern
}}{{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Sieversia radiata
|authority=(Michaux) G. Don
|rank=species
}}
|hierarchy=Rosaceae;Rosaceae subfam. Rosoideae;Rosaceae tribe Colurieae;Geum;Geum radiatum
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Rosaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Rosaceae subfam. Rosoideae]]</div><div class="higher-taxon"><small>tribe</small>[[Rosaceae tribe Colurieae]]</div><div class="higher-taxon"><small>genus</small>[[Geum]]</div><div class="higher-taxon"><small>species</small>[[Geum radiatum]]</div></div>
|volume=Volume 9
|mention_page=page 60, 65
|treatment_page=page 64
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="whole_organism architecture;whole_organism growth form"><b>Plants </b>subscapose.</span> <span class="statement" id="st-d0_s1" data-properties="stem atypical some measurement;stem some measurement;stem pubescence;stem pubescence"><b>Stems </b>10–45 (–60) cm, densely hirsute proximally to puberulent distally.</span> <span class="statement" id="st-d0_s2" data-properties="basal leaf some measurement;blade architecture or shape;blade architecture;leaflet size;leaflet quantity;minor leaflet quantity;terminal leaflet size"><b>Leaves:</b> basal 10–30 cm, blade strongly lyrate-pinnate, sometimes simple, major leaflet 1, minor leaflets 1–6, terminal leaflet much larger than minor laterals;</span> <span class="statement" id="st-d0_s3" data-properties="cauline leaf some measurement;stipule prominence;blade shape;blade architecture">cauline 1.2–4 cm, stipules not evident, blade bractlike, not resembling basal, simple.</span> <span class="statement" id="st-d0_s4" data-properties="inflorescence architecture"><b>Inflorescences </b>3–10-flowered.</span> <span class="statement" id="st-d0_s5" data-properties="pedicel pubescence"><b>Pedicels </b>glandular-hairy.</span> <span class="statement" id="st-d0_s6" data-properties="flower orientation"><b>Flowers </b>erect;</span> <span class="statement" id="st-d0_s7" data-properties="epicalyx bractlet some measurement">epicalyx bractlets 2–5 mm;</span> <span class="statement" id="st-d0_s8" data-properties="hypanthium coloration">hypanthium green;</span> <span class="statement" id="st-d0_s9" data-properties="sepal orientation;sepal orientation;sepal some measurement">sepals spreading in flower, erect in fruit, 6–10 mm;</span> <span class="statement" id="st-d0_s10" data-properties="petal orientation;petal coloration;petal shape;petal some measurement;petal length or size">petals spreading, yellow, orbiculate to obcordate, 9–16 mm, longer than sepals, apex emarginate.</span> <span class="statement" id="st-d0_s11" data-properties=""><b>Fruiting </b>tori sessile, glabrous.</span> <span class="statement" id="st-d0_s12" data-properties="apex architecture or shape;apex architecture;apex pubescence;whole-organism duration;whole-organism architecture;whole-organism some measurement;apex shape;apex pubescence;apex pubescence;2n chromosome quantity"><b>Fruiting </b>styles wholly persistent, not geniculate-jointed, 8–12 mm, apex not hooked, pilose and stipitate-glandular in basal 1/3.2n = 42.</span><!--

-->{{Treatment/Body
|phenology=Flowering summer.
|habitat=Rocky cliffs and ledges, montane balds
|elevation=1500–1900 m
|distribution=N.C.;Tenn.
|discussion=<p>Of conservation concern.</p><!--
--><p>Geum radiatum is closely related to G. calthifolium and G. peckii. The morphologic differences among them are slight compared to the discontinuities separating other Geum species. On the basis of morphology it would be possible to combine all three in a single species. Yet they occupy distinct ranges separated by a minimum of 1200 km. Traditionally, they have been treated as separate species, and recently I. G. Paterson and M. Snyder (1999) reported molecular genetic evidence for continuing to recognize G. peckii and G. radiatum as separate species.</p><!--
--><p>Geum radiatum is listed as an endangered species by the U.S. Fish and Wildlife Service.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Geum radiatum
|authority=Michaux
|rank=species
|parent rank=genus
|synonyms=Sieversia radiata
|basionyms=
|family=Rosaceae
|phenology=Flowering summer.
|habitat=Rocky cliffs and ledges, montane balds
|elevation=1500–1900 m
|distribution=N.C.;Tenn.
|reference=None
|publication title=Fl. Bor.-Amer.
|publication year=1803
|special status=Conservation concern;Endemic
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V9/V9_91.xml
|subfamily=Rosaceae subfam. Rosoideae
|tribe=Rosaceae tribe Colurieae
|genus=Geum
|species=Geum radiatum
|2n chromosome quantity=42
|apex architecture=sessile
|apex architecture or shape=emarginate
|apex pubescence=stipitate-glandular;pilose;glabrous
|apex shape=not hooked
|basal leaf some measurement=10cm;30cm
|blade architecture=not simple;simple
|blade architecture or shape=lyrate-pinnate
|blade shape=bractlike
|cauline leaf some measurement=1.2cm;4cm
|epicalyx bractlet some measurement=2mm;5mm
|flower orientation=erect
|hypanthium coloration=green
|inflorescence architecture=3-10-flowered
|leaflet quantity=1
|leaflet size=major
|minor leaflet quantity=1;6
|pedicel pubescence=glandular-hairy
|petal coloration=yellow
|petal length or size=longer
|petal orientation=spreading
|petal shape=orbiculate;obcordate
|petal some measurement=9mm;16mm
|sepal orientation=erect;spreading
|sepal some measurement=6mm;10mm
|stem atypical some measurement=45cm;60cm
|stem pubescence=puberulent;hirsute
|stem some measurement=10cm;45cm
|stipule prominence=not evident
|terminal leaflet size=much larger
|whole-organism architecture=not geniculate-jointed
|whole-organism duration=persistent
|whole-organism some measurement=8mm;12mm
|whole_organism architecture=subscapose
|whole_organism growth form=plant
}}<!--

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