View source for Kerria

{{Treatment/ID
|accepted_name=Kerria
|accepted_authority=de Candolle
|publications={{Treatment/Publication
|title=Trans. Linn. Soc. London
|place=12: 156. 1818
|year=1818
}}
|special_status={{Treatment/ID/Special_status
|code=I
|label=Introduced
}}
|basionyms=
|synonyms=
|hierarchy=Rosaceae;Rosaceae subfam. Amygdaloideae;Rosaceae tribe Kerrieae;Kerria
|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 Kerrieae]]</div><div class="higher-taxon"><small>genus</small>[[Kerria]]</div></div>
|etymology=For William Kerr, d. 1814 collector in the far east, sponsored by Royal Botanic Gardens, Kew, and superintendent of Botanic Garden, Peradinaya, Sri Lanka
|volume=Volume 9
|mention_page=page 386, 387
|treatment_page=page 389
}}<!--

--><span class="statement" id="st-d0_s0" data-properties=""><b>Shrubs,</b> spreading, open, rounded, 10–20 (–30) dm;</span> <span class="statement" id="st-d0_s1" data-properties="whole_organism orientation;whole_organism architecture;whole_organism shape;whole_organism atypical some measurement;whole_organism some measurement;whole_organism architecture;whole_organism growth form;whole_organism growth form">rhizomatous, suckering freely.</span> <span class="statement" id="st-d0_s2" data-properties="stem quantity;stem course or shape;stem architecture"><b>Stems </b>1–30+, widely arcuate, sparingly branched;</span> <span class="statement" id="st-d0_s3" data-properties="epidermis coloration;epidermis coloration or pubescence or relief;epidermis pubescence">bark (periderm) not forming, epidermis green, striate, glabrous;</span> <span class="statement" id="st-d0_s4" data-properties="">short-shoots absent;</span> <span class="statement" id="st-d0_s5" data-properties="short-shoot presence;short-shoot architecture">unarmed;</span> <span class="statement" id="st-d0_s6" data-properties="bud-scale arrangement">bud-scales imbricate.</span> <span class="statement" id="st-d0_s7" data-properties="leaf duration;cauline leaf arrangement"><b>Leaves </b>winter-deciduous, cauline, alternate;</span> <span class="statement" id="st-d0_s8" data-properties="stipule duration;stipule shape;stipule width;margin architecture or shape;margin architecture or pubescence or shape">stipules caducous, linear-subulate, thin, margins entire ± strigose-ciliate;</span> <span class="statement" id="st-d0_s9" data-properties="petiole presence">petiole present;</span> <span class="statement" id="st-d0_s10" data-properties="blade shape;blade some measurement;blade texture;margin prominence or shape;margin architecture or shape;abaxial surface pubescence">blade ovate to lanceovate, 2–8.5 cm, membranous, margins flat, coarsely doubly serrate, abaxial surface sparsely sericeous-strigose along veins.</span> <span class="statement" id="st-d0_s11" data-properties="inflorescence position or structure subtype;lateral branch duration or growth form;lateral branch architecture;flower architecture or arrangement or growth form;flower pubescence;flower pubescence"><b>Inflorescences </b>terminal on vernal, leaf-bearing lateral branches, flowers solitary, sparsely strigose or glabrous;</span> <span class="statement" id="st-d0_s12" data-properties="bract presence">bracts absent;</span> <span class="statement" id="st-d0_s13" data-properties="bracteole presence;bracteole presence;bracteole architecture or shape">bracteoles absent or present, leaflike.</span> <span class="statement" id="st-d0_s14" data-properties="pedicel presence"><b>Pedicels </b>present.</span> <span class="statement" id="st-d0_s15" data-properties="flower diameter"><b>Flowers </b>20–50 mm diam.;</span> <span class="statement" id="st-d0_s16" data-properties="epicalyx bractlet presence">epicalyx bractlets 0;</span> <span class="statement" id="st-d0_s17" data-properties="hypanthium shape;hypanthium diameter;hypanthium pubescence">hypanthium saucer-shaped, 3–4 mm diam., glabrous;</span> <span class="statement" id="st-d0_s18" data-properties="sepal quantity;sepal orientation;sepal shape">sepals (4 or) 5 (or 6), spreading to reflexed, oblong-ovate to ± orbiculate;</span> <span class="statement" id="st-d0_s19" data-properties="petal quantity;petal quantity;base architecture;base orientation;base coloration;base coloration;base shape;base shape;base shape;apex architecture;apex orientation;apex coloration;apex coloration;apex shape;apex shape;apex shape">petals (4 or) 5 (or 6), to 34 in multi-petaled cultivars, spreading, strong yellow to slightly orangish or yellow-cream (some petals white in multi-petaled cultivars), oblong-ovate to orbiculate, base short-clawed, apex rounded to emarginate;</span> <span class="statement" id="st-d0_s20" data-properties="stamen quantity;stamen height or length or size">stamens 80–130 (0 or few in multi-petaled cultivars), shorter than petals;</span> <span class="statement" id="st-d0_s21" data-properties="torus presence">torus absent;</span> <span class="statement" id="st-d0_s22" data-properties="carpel atypical quantity;carpel atypical quantity;carpel quantity;carpel shape;carpel pubescence;style position;style arrangement or course or shape">carpels (4–) 5 (–8), globose, glabrous, styles lateral, linear, ± exceeding filaments;</span> <span class="statement" id="st-d0_s23" data-properties="ovule quantity">ovules 2.</span> <span class="statement" id="st-d0_s24" data-properties="fruit coloration;fruit shape;fruit some measurement;fruit pubescence;nutlet arrangement;nutlet atypical quantity;nutlet quantity;whorl quantity;adaxial ridge fusion;basal hypanthial relief;basal hair relief"><b>Fruits </b>aggregated nutlets, (1–) 5 in 1 whorl, tan, obliquely obovoid-globose, 4.5–5 mm, with distinct adaxial ridge, glabrous except for coarse basal hypanthial hairs;</span> <span class="statement" id="st-d0_s25" data-properties="hypanthium duration">hypanthium persistent;</span> <span class="statement" id="st-d0_s26" data-properties="sepal duration;sepal orientation">sepals persistent (withering), reflexed;</span> <span class="statement" id="st-d0_s27" data-properties="exocarp width;exocarp relief;mesocarp width;mesocarp condition or texture">exocarp thin, wrinkled, mesocarp thin, dry, endocarp ± cartilaginous.</span> <span class="statement" id="st-d0_s28" data-properties="endocarp pubescence or texture;x chromosome quantity">x = 9.</span><!--

-->{{Treatment/Body
|distribution=e Asia (China);e Asia (Japan);also in Europe
|introduced=true
|discussion=<p>Species 1.</p><!--
--><p>Kerria is a distinctive mesophytic shrub, native to montane forests and valleys at 200–3000 m in China and Japan, now widely cultivated. Morphologically, it stands closest to Neviusia.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Kerria
|author=James Henrickson;Alan S. Weakley
|authority=de Candolle
|rank=genus
|parent rank=tribe
|synonyms=
|basionyms=
|family=Rosaceae
|distribution=e Asia (China);e Asia (Japan);also in Europe
|introduced=true
|reference=None
|publication title=Trans. Linn. Soc. London
|publication year=1818
|special status=Introduced
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V9/V9_650.xml
|subfamily=Rosaceae subfam. Amygdaloideae
|tribe=Rosaceae tribe Kerrieae
|genus=Kerria
|abaxial surface pubescence=sericeous-strigose
|adaxial ridge fusion=distinct
|apex architecture=multi-petaled
|apex coloration=yellow;slightly orangish or yellow-cream
|apex orientation=spreading
|apex shape=rounded;emarginate
|basal hair relief=coarse
|basal hypanthial relief=coarse
|base architecture=multi-petaled
|base coloration=yellow;slightly orangish or yellow-cream
|base orientation=spreading
|base shape=rounded;emarginate
|blade shape=ovate;lanceovate
|blade some measurement=2cm;8.5cm
|blade texture=membranous
|bract presence=absent
|bracteole architecture or shape=leaflike
|bracteole presence=absent;absent
|bud-scale arrangement=imbricate
|carpel atypical quantity=5;8
|carpel pubescence=glabrous
|carpel quantity=5
|carpel shape=globose
|cauline leaf arrangement=alternate
|endocarp pubescence or texture=cartilaginous
|epicalyx bractlet presence=absent
|epidermis coloration=green
|epidermis coloration or pubescence or relief=striate
|epidermis pubescence=glabrous
|exocarp relief=wrinkled
|exocarp width=thin
|flower architecture or arrangement or growth form=solitary
|flower diameter=20mm;50mm
|flower pubescence=glabrous;strigose
|fruit coloration=tan
|fruit pubescence=glabrous
|fruit shape=obovoid-globose
|fruit some measurement=4.5mm;5mm
|hypanthium diameter=3mm;4mm
|hypanthium duration=persistent
|hypanthium pubescence=glabrous
|hypanthium shape=saucer--shaped
|inflorescence position or structure subtype=terminal
|lateral branch architecture=leaf-bearing
|lateral branch duration or growth form=vernal
|leaf duration=winter-deciduous
|margin architecture or pubescence or shape=strigose-ciliate
|margin architecture or shape=serrate;entire
|margin prominence or shape=flat
|mesocarp condition or texture=dry
|mesocarp width=thin
|nutlet arrangement=aggregated
|nutlet atypical quantity=1;5
|nutlet quantity=5
|ovule quantity=2
|pedicel presence=absent
|petal quantity=0;34
|petiole presence=absent
|sepal duration=persistent
|sepal orientation=reflexed;spreading;reflexed
|sepal quantity=5
|sepal shape=oblong-ovate;more or less orbiculate
|short-shoot architecture=unarmed
|short-shoot presence=absent
|stamen height or length or size=shorter
|stamen quantity=80;130
|stem architecture=branched
|stem course or shape=arcuate
|stem quantity=1;30
|stipule duration=caducous
|stipule shape=linear-subulate
|stipule width=thin
|style arrangement or course or shape=linear
|style position=lateral
|torus presence=absent
|whole_organism architecture=rhizomatous;open
|whole_organism atypical some measurement=20dm;30dm
|whole_organism growth form=shrub;suckering
|whole_organism orientation=spreading
|whole_organism shape=rounded
|whole_organism some measurement=10dm;20dm
|whorl quantity=1
|x chromosome quantity=9
}}<!--

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