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Lyonothamnus floribundus

Higher Taxonomy
Family: RosaceaeView DescriptionDichotomous Key

Common Name: ROSE FAMILY
Habit: Annual to tree, glandular or not. Leaf: simple to palmately or pinnately compound, generally alternate; stipules free to fused (0), persistent to deciduous. Inflorescence: cyme, raceme, panicle, cluster, or flowers 1; bractlets on pedicel ("pedicel bractlets") generally 0--3(many), subtended by bract or generally not. Flower: generally bisexual, radial; hypanthium free or fused to ovary, saucer- to funnel-shaped, subtending bractlets ("hypanthium bractlets") 0--5, alternate sepals; sepals generally 5; petals generally 5, free; stamens (0,1)5--many, anther pollen sacs generally 2; pistils (0)1--many, simple or compound, ovary superior to inferior, styles 1--5. Fruit: 1--many per flower, achene (fleshy-coated or not), follicle, drupe, or pome with generally papery core, occasionally drupe-like with 1--5 stones. Seed: generally 1--5 (per fruit, not per flower).
Genera In Family: 110 genera, +- 3000 species: worldwide, especially temperate; many cultivated for ornamental, fruit, especially Cotoneaster, Fragaria, Malus, Prunus, Pyracantha, Rosa, Rubus. Note: Number of teeth is per leaf or leaflet, not per side of leaf or leaflet, except in Drymocallis.
eFlora Treatment Author: Daniel Potter & Barbara Ertter, family description, key to genera; treatment of genera by Daniel Potter, except as noted
Scientific Editor: Daniel Potter, Thomas J. Rosatti.
Genus: LyonothamnusView Description 

Common Name: CATALINA IRONWOOD

Species In Genus: 1 sp. Etymology: (Greek: Lyon's shrub, for W.S. Lyon, early resident of Los Angeles)
eFlora Treatment Author: Steve Junak & Dieter H. Wilken

Lyonothamnus floribundus A. Gray
NATIVE
Habit: Tree, evergreen. Stem: trunk bark gray to red-brown, peeling in strips. Leaf: opposite, simple or compound; stipules deciduous; petiole 1--3 cm; blade +- gray abaxially, dark shiny green adaxially. Inflorescence: panicle, generally flat-topped; pedicel bractlets 1--3, at top. Flower: hypanthium bell-shaped, tomentose, bractlets 0; sepals persistent; petals +- round, white; stamens +- 15; pistils 2, ovary superior, style stout, stigma +- head-like. Fruit: follicles 2, 3--4 mm, woody. Seed: 1--4, +- 2 mm, compressed, +- brown.
Note: Subspecies hybridize in cultivation; endemic to ChI.
eFlora Treatment Author: Steve Junak & Dieter H. Wilken
Jepson Online Interchange
Key to Lyonothamnus floribundus

Previous taxon: Lyonothamnus
Next taxon: Lyonothamnus floribundus subsp. aspleniifolius

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Citation for this treatment: Steve Junak & Dieter H. Wilken 2016. Lyonothamnus floribundus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=32345, accessed on July 23, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on July 23, 2016.


Lyonothamnus floribundus subsp. aspleniifolius
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© 2010 Gary A. Monroe
Lyonothamnus floribundus
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© 2010 Gary A. Monroe
Lyonothamnus floribundus subsp. aspleniifolius
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© 2011 Neal Kramer
Lyonothamnus floribundus subsp. aspleniifolius
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© 2003 Michael Charters
Lyonothamnus floribundus subsp. aspleniifolius
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© 2013 Gary A. Monroe
Lyonothamnus floribundus subsp. aspleniifolius
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© 2014 Steve Matson

More photos of Lyonothamnus floribundus in CalPhotos


Geographic subdivisions for Lyonothamnus floribundus:
Markers link to CCH specimen records. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues. Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).

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Data provided by the participants of the Consortium of California Herbaria.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.