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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 August 29, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on August 29, 2016.


Paxistima myrsinites
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© 2016 Keir Morse
Paxistima myrsinites
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© 2008 Robert E. Preston, Ph.D.
Paxistima myrsinites
click for enlargement
© 2016 Keir Morse

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. 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.