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Paxistima myrsinites
OREGON BOXWOOD

Higher Taxonomy
Family: CelastraceaeView DescriptionDichotomous Key

Common Name: STAFF-TREE FAMILY
Habit: Shrub (climbing or not), tree, thorny or not, generally glabrous. Leaf: simple, opposite or alternate, deciduous to persistent, subsessile or petioled; veins pinnate. Inflorescence: cluster, cyme, raceme, panicle, or 1-flowered, axillary or terminal, bracted. Flower: generally bisexual, radial, small; hypanthium +- cup-shaped; sepals 4--5; petals (0)4--5, free; stamens 4--5, alternate petals, attached below or to rim of disk; ovary superior or +- embedded in disk, 2--5-chambered, placentas axile or basal, style generally 1, short, stigma +- head-like, 2--5-lobed. Fruit: capsule, winged achene, berry, drupe, or nutlet, often 1-chambered. Seed: generally 1 per chamber, arilled.
Genera In Family: 50 genera, 800 species: worldwide, especially southeastern Asia; some ornamental (Celastrus, Euonymus, Maytenus, Paxistima).
eFlora Treatment Author: Michael A. Vincent & Barry A. Prigge
Scientific Editor: Thomas J. Rosatti.
Genus: PaxistimaView Description 

Habit: Shrub, prostrate to ascending. Stem: twig 4-angled, with corky ridges. Leaf: opposite, evergreen, leathery, finely toothed. Inflorescence: axillary, 1--3-flowered. Flower: parts in 4s; petals +- white to red-brown; disk fused to hypanthium, +- square, fleshy; stamens short, attached to disk margin; ovary embedded in disk, stigma lobes 2, obscure. Fruit: capsule, loculicidal, 2-valved. Seed: shiny, dark brown to black; aril surrounding base and 1 side of seed, white, thin, fringed.
Species In Genus: 2 species: North America. Etymology: (Greek: thick stigma, possibly)

Paxistima myrsinites (Pursh) Raf.
NATIVE
Habit: Plant 3--10 dm. Stem: prostrate to spreading, +- stiff, densely branched. Leaf: petiole +- 1 mm; blade 8--34 mm, ovate to oblanceolate, base tapered, tip rounded to acute. Inflorescence: peduncle 2--3 mm. Flower: petals +- 1 mm, ovate. Fruit: 4--7 mm, obovoid.
Ecology: Shaded places; Elevation: 180--2120 m. Bioregional Distribution: NW, CaR, n&c SN, n SnFrB (Marin Co.), MP; Distribution Outside California: to British Columbia, Rocky Mountains, northern Mexico. Flowering Time: May--Jul
eFlora Treatment Author: Michael A. Vincent & Barry A. Prigge
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Citation for this treatment: Michael A. Vincent & Barry A. Prigge 2016. Paxistima myrsinites, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=36518, accessed on May 01, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on May 01, 2016.


Paxistima myrsinites
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© 2008 Robert E. Preston, Ph.D.

More photos of Paxistima myrsinites in CalPhotos


Geographic subdivisions for Paxistima myrsinites:
NW, CaR, n&c SN, n SnFrB (Marin Co.), MP;
Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
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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.