View source for Lyonia

{{Treatment/ID
|accepted_name=Lyonia
|accepted_authority=Nuttall
|publications={{Treatment/Publication
|title=Gen. N. Amer. Pl.
|place=1: 266. 1818, name conserved ,
}}
|common_names=Maleberry;staggerbush
|basionyms=
|synonyms=
|hierarchy=Ericaceae;Ericaceae subfam. Vaccinioideae;Lyonia
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Ericaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Ericaceae subfam. Vaccinioideae]]</div><div class="higher-taxon"><small>genus</small>[[Lyonia]]</div></div>
|etymology=For John Lyon, 1765–1814, Scottish-born, early American botanist and explorer of southern Appalachians
|volume=Volume 8
|mention_page=page 372, 376, 497, 507
|treatment_page=page 500
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="whole_organism growth form;whole_organism growth form"><b>Shrubs </b>or trees, (sometimes with woody burl, resprouting after fire).</span> <span class="statement" id="st-d0_s1" data-properties="stem orientation"><b>Stems </b>erect to arching;</span> <span class="statement" id="st-d0_s2" data-properties="twig pubescence;twig pubescence">twigs hairy, sometimes glabrescent (sometimes also lepidote).</span> <span class="statement" id="st-d0_s3" data-properties="leaf duration;leaf duration"><b>Leaves </b>deciduous or persistent;</span> <span class="statement" id="st-d0_s4" data-properties="blade shape;blade shape;blade shape;blade shape;blade shape;blade texture;margin shape;margin shape;margin shape;margin shape;margin shape;margin shape;margin shape;margin shape;margin shape;margin shape;margin shape;margin shape;margin shape;vein size">blade elliptic, obovate, or ovate, membranous to coriaceous, margins entire, undulate, or serrulate [irregularly serrate], plane or revolute, surfaces multicellular, peltate-scaled or short-stalked stipitate-glandular-hairy, often unicellular-hairy on major veins or abaxial surface;</span> <span class="statement" id="st-d0_s5" data-properties="surface architecture;surface architecture;surface pubescence;surface pubescence;surface architecture">venation brochidodromous (or reticulodromous).</span> <span class="statement" id="st-d0_s6" data-properties="inflorescence position;inflorescence arrangement;panicle architecture;flower architecture or arrangement or growth form"><b>Inflorescences </b>axillary fascicles, panicles, or racemes, (2–) 5–8 (–12) -flowered, sometimes flowers solitary, (produced just before flowering).</span> <span class="statement" id="st-d0_s7" data-properties="bracteole quantity"><b>Pedicels:</b> bracteoles 2, at or near base.</span> <span class="statement" id="st-d0_s8" data-properties="sepal atypical quantity;sepal atypical quantity;sepal quantity;sepal fusion;sepal shape"><b>Flowers:</b> sepals usually [4–] 5 [–8], slightly connate, ovate-deltate to lanceolate;</span> <span class="statement" id="st-d0_s9" data-properties="petal atypical quantity;petal atypical quantity;petal quantity;petal fusion;petal lengths;petal coloration;corolla shape;lobe height or length or size">petals usually [4–] 5 [–8], connate nearly their entire lengths, white to red, corolla cylindric to urceolate, lobes much shorter than tube, (sparsely stipitate-glandular-hairy or peltate-scaled);</span> <span class="statement" id="st-d0_s10" data-properties="stamen atypical quantity;stamen atypical quantity;stamen quantity;stamen position">stamens usually [8–] 10 [–16], included;</span> <span class="statement" id="st-d0_s11" data-properties="filament shape;filament shape;filament relief or texture;filament pubescence">filaments geniculate, flattened, roughened or hairy, with or without spurs;</span> <span class="statement" id="st-d0_s12" data-properties="anther dehiscence;pore arrangement or shape">anthers without awns, dehiscent by elliptic pores;</span> <span class="statement" id="st-d0_s13" data-properties="pistil architecture">pistil usually [4–] 5 [–8] -carpellate;</span> <span class="statement" id="st-d0_s14" data-properties="ovary architecture or structure in adjective form">ovary [4–] 5 [–8] -locular;</span> <span class="statement" id="st-d0_s15" data-properties="">(style slightly longer than stamens);</span> <span class="statement" id="st-d0_s16" data-properties="stigma architecture or shape">stigma capitate-truncate.</span> <span class="statement" id="st-d0_s17" data-properties="fruit architecture;fruit shape;fruit condition or texture"><b>Fruits </b>capsular, globose to ovoid or ellipsoid, dry, (with [4–] 5 [–8] pale, decidedly thickened, whitish sutures).</span> <span class="statement" id="st-d0_s18" data-properties="seed quantity;seed shape;seed shape;seed shape"><b>Seeds </b>ca. 100–300, ellipsoidal, narrowly oblong, obovoid to angular-obovoid or narrowly conic, (sometimes tailed);</span> <span class="statement" id="st-d0_s19" data-properties="">testa cells elongate.</span> <span class="statement" id="st-d0_s20" data-properties="testa cell shape;x chromosome quantity">x = 12.</span><!--

-->{{Treatment/Body
|distribution=e United States;Mexico;West Indies;e Asia
|discussion=<p>Arsenococcus Small; Desmothamnus Small; Neopieris Britton</p><!--
--><p>Species 36 (5 in the flora).</p>
|tables=
|references=
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Abaxial surface of leaf blades, pedicels, and calyx lepidote
|[[#key-0-2| > 2]]
|-id=key-0-1
|1
|Abaxial surface of leaf blades, pedicels, and calyx nearly glabrous or hairy, not lepidote
|[[#key-0-3| > 3]]
|-id=key-0-2
|2
|Ultimate branchlets spreading, flowers nearly always restricted to previous year’s branches; leaves not conspicuously reduced toward branch tips, blade margins usually revolute distally, sometimes strongly so, major veins usually depressed; shrubs or trees to 6(-12) m.
|[[Lyonia ferruginea|Lyonia ferruginea]]
|-id=key-0-2
|2
|Ultimate branchlets rigidly ascending, flowers frequent on current year’s branchlets (some flowers also borne on branches of previous year); leaves conspicuously reduced toward branch tips, blade margins at most slightly revolute distally, major veins not depressed; shrubs to 1.5(-3) m.
|[[Lyonia fruticosa|Lyonia fruticosa]]
|-id=key-0-3
|3
|Leaf blades scattered, multicellular long-headed-hairy abaxially, margins serrulate; corollas urceolate, 2-4(-4.5) mm; calyx lobes 0.5-1.5 mm.
|[[Lyonia ligustrina|Lyonia ligustrina]]
|-id=key-0-3
|3
|Leaf blades scattered, multicellular short-headed-hairy abaxially, margins entire; corollas cylindric, 5-14 mm; calyx lobes 2-9.5 mm
|[[#key-0-4| > 4]]
|-id=key-0-4
|4
|Leaves persistent, blade rigidly coriaceous, intramarginal vein present; corollas usually pink, sometimes red or white, 2-5 mm wide, base swollen; filaments roughened; capsules ovoid to ovoid-globose
|[[Lyonia lucida|Lyonia lucida]]
|-id=key-0-4
|4
|Leaves deciduous, blade membranous, intramarginal vein absent; corollas usually white, rarely pink, 4.5-9 mm wide, base not swollen; filaments long-hairy, especially near base; capsules ovoid.
|[[Lyonia mariana|Lyonia mariana]]
|}
</div></div><!--

-->{{#Taxon:
name=Lyonia
|author=Walter S. Judd
|authority=Nuttall
|rank=genus
|parent rank=subfamily
|synonyms=
|basionyms=
|family=Ericaceae
|distribution=e United States;Mexico;West Indies;e Asia
|reference=None
|publication title=Gen. N. Amer. Pl.
|publication year=
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V8/V8_976.xml
|subfamily=Ericaceae subfam. Vaccinioideae
|genus=Lyonia
|anther dehiscence=dehiscent
|blade shape=ovate;obovate;ovate;obovate;elliptic
|blade texture=membranous;coriaceous
|bracteole quantity=2
|corolla shape=cylindric;urceolate
|filament pubescence=hairy
|filament relief or texture=roughened
|filament shape=flattened;geniculate
|flower architecture or arrangement or growth form=solitary
|fruit architecture=capsular
|fruit condition or texture=dry
|fruit shape=globose;ovoid or ellipsoid
|inflorescence arrangement=fascicles
|inflorescence position=axillary
|leaf duration=persistent;deciduous
|lobe height or length or size=much shorter
|margin shape=revolute;plane;serrulate;undulate;revolute;plane;serrulate;undulate;revolute;plane;serrulate;undulate;entire
|ovary architecture or structure in adjective form=[4-]5[-8]-locular
|panicle architecture=(2-)5-8(-12)-flowered
|petal atypical quantity=5;8
|petal coloration=white;red
|petal fusion=connate
|petal lengths=entire
|petal quantity=5
|pistil architecture=[4-]5[-8]-carpellate
|pore arrangement or shape=elliptic
|seed quantity=100;300
|seed shape=obovoid;angular-obovoid or narrowly conic
|sepal atypical quantity=5;8
|sepal fusion=connate
|sepal quantity=5
|sepal shape=ovate-deltate;lanceolate
|stamen atypical quantity=10;16
|stamen position=included
|stamen quantity=10
|stem orientation=erect;arching
|stigma architecture or shape=capitate-truncate
|surface architecture=brochidodromous;short-stalked;multicellular
|surface pubescence=unicellular-hairy;stipitate-glandular-hairy
|testa cell shape=elongate
|twig pubescence=glabrescent;hairy
|vein size=major
|whole_organism growth form=tree;shrub
|x chromosome quantity=12
}}<!--

-->[[Category:Treatment]][[Category:Ericaceae subfam. Vaccinioideae]]