View source for Lyonothamnus

{{Treatment/ID
|accepted_name=Lyonothamnus
|accepted_authority=A. Gray
|publications={{Treatment/Publication
|title=Proc. Amer. Acad. Arts
|place=20: 291. 1885
|year=1885
}}
|common_names=Catalina or island ironwood
|special_status={{Treatment/ID/Special_status
|code=C
|label=Conservation concern
}}{{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms=
|synonyms=
|hierarchy=Rosaceae;Rosaceae subfam. Amygdaloideae;Rosaceae tribe Lyonothamneae;Lyonothamnus
|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 Lyonothamneae]]</div><div class="higher-taxon"><small>genus</small>[[Lyonothamnus]]</div></div>
|etymology=For William Scrugham Lyon, 1851 – 1916 botanist, nurseryman, plant collector in California and Philippines, and Greek thamnos, bush or shrub
|volume=Volume 9
|mention_page=page 345
|treatment_page=page 346
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>clonal, 50–100(–150) dm, herbage usually glabrous, glabrate, or tomentulose (glabrescent). <b>Stems</b> 1+; bark brown or gray; short shoots absent. <b>Leaves</b> tardily falling, cauline; stipules absent or lance-linear, margins entire; petiole present; blade simple (sometimes lobed), palmate, or pinnate, simple blades or leaflets elliptic, lance-linear, lanceolate, or oblong, 6–18 cm, leathery, leaflets 3–7, usually pinnately lobed, margins ± revolute, entire, crenulate, or serrate. <b>Inflorescences</b> terminal, 50–800+-flowered, compound corymbs or panicles; bracts present; bracteoles present. <b>Pedicels</b> present. <b>Flowers</b> produced after leaves, (5–)6–8 mm diam.; hypanthium 3–4(–5) mm (including sepals), exterior tomentulose, interior pilose; sepals 5, spreading, ovate to triangular; petals 5, white, obovate to orbiculate; stamens (12–)15+ in 1 series, shorter or longer than petals; carpels tomentulose. <b>Fruits</b> aggregated follicles, 2(–3), ± ovoid to lanceoloid, 3–4 mm (excluding styles), stipitate-glandular, dehiscent adaxially; hypanthium persistent; sepals persistent or tardily falling, ± spreading. <b>Seeds</b> 2–4+, ± ellipsoid to fusiform, firm, ends rounded or truncate, faces smooth or minutely papillate, seed coats tight. <b>x</b> = 9.</span><!--

-->{{Treatment/Body
|distribution=Calif. (Channel Islands).
|discussion=<p>Species 1.</p><!--
--><p>Taxonomically, <i>Lyonothamnus</i> has been moved about within <i>Rosaceae</i>; here it is placed as an isolated taxon within Amygdaloideae. It is known from Miocene fossils from California, <i>Nevada</i>, and Oregon (D. M. Erwin and H. E. Shorn 2000).</p>
|tables=
|references={{Treatment/Reference
|id=brandegee1890a
|text=Brandegee, T. S. 1890. The plants of Santa Catalina Island. Zoë 1: 107–115.
}}{{Treatment/Reference
|id=bushakra1999a
|text=Bushakra, J. M. et al. 1999. The extent of clonality and genetic diversity in the Santa Cruz Island ironwood, Lyonothamnus floribundus. Molec. Ecol. 8: 471–475.
}}{{Treatment/Reference
|id=erwin2000a
|text=Erwin, D. M. and H. E. Shorn. 2000. Revision of Lyonothamnus A. Gray (Rosaceae) from Neogene of western North America. Int. J. Pl. Sci. 161: 179–193.
}}
}}<!--

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-->{{#Taxon:
name=Lyonothamnus
|author=John L. Strother
|authority=A. Gray
|rank=genus
|parent rank=tribe
|synonyms=
|basionyms=
|family=Rosaceae
|distribution=Calif. (Channel Islands).
|reference=brandegee1890a;bushakra1999a;erwin2000a
|publication title=Proc. Amer. Acad. Arts
|publication year=1885
|special status=Conservation concern;Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V9/V9_568.xml
|subfamily=Rosaceae subfam. Amygdaloideae
|tribe=Rosaceae tribe Lyonothamneae
|genus=Lyonothamnus
}}<!--

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