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Koeberlinia spinosa var. tenuispina

Higher Taxonomy
Family: KoeberliniaceaeView Description 

Habit: Shrub or small tree, generally +- leafless, thorny, unscented. Stem: branches many, rigid, interlocking, glabrous to puberulent, smooth-papillate at 10×. Leaf: simple, alternate, generally scale-like, ephemeral. Inflorescence: raceme or +- umbel-like, axillary, bracted. Flower: radial, bisexual, small; sepals 4, free; petals 4, free; stamens 8, filaments thick, 4-angled in ×-section; ovary +- stalked, spheric, style beak-like, straight, curved, or +- coiled when dry, stigma entire, head-like, or +- 3-lobed. Fruit: berry spheric, fleshy; chambers 2, each 1--2-seeded; style base +- persistent.
Genera In Family: 1 genus, 2 species: southwestern North America, Mexico, Bolivia. Note: Often included in Capparaceae.
eFlora Treatment Author: Steve Boyd & Staria S. Vanderpool
Scientific Editor: Bruce G. Baldwin.
Genus: KoeberliniaView Description 

Common Name: ALL THORN

Etymology: (C.L. Koeberlin, German clergyman, botanist, b. 1794)

Koeberlinia spinosa Zucc. var. tenuispina Kearney & Peebles
Habit: Plant 3--10 m, puberulent. Stem: branchlets (25)33--70(82) mm, pale green, tips narrow, sharp-pointed, 3--6 mm, black or dark brown. Leaf: < 2 mm. Inflorescence: 1--7 cm, occasionally thorn-tipped; bracts +- 1.5 mm, linear, +- succulent; pedicels 3--6 mm. Flower: sepals +- 1.3 mm, ovate-deltate, entire or +- irregularly minutely toothed, puberulent, pale green; petals 4--4.8 mm, short-clawed, blade obovate or oblanceolate, glabrous, white (yellow); stamens 2--4 mm, glabrous; ovary 1.8--2 mm diam, stalk 0.5--0.8 mm, style 1--1.2 mm, straight to +- S-curved when dry, stigma entire to minute-lobed. Fruit: 4--5 mm, glabrous, black.
Ecology: Creosote-bush scrub; Elevation: 400 m. Bioregional Distribution: DSon (Chocolate Mtns); Distribution Outside California: southwestern Arizona, Mexico (eastern Baja California, northwestern Sonora). Flowering Time: Mar--Jul
Synonyms: Koeberlinia spinosa subsp. tenuispina (Kearney & Peebles) A.E. Murray;
Unabridged Note: Koeberlinia spinosa var. spinosa in southeastern Arizona, southern New Mexico, southern Texas, northeastern Mexico; Koeberlinia spinosa var. wivaggii W.C. Holmes, K.L. Yip & Rushing in southeastern Texas, northeastern Mexico.
eFlora Treatment Author: Steve Boyd & Staria S. Vanderpool
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory

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botanical illustration including Koeberlinia spinosa var. tenuispina


Citation for this treatment: Steve Boyd & Staria S. Vanderpool 2012, Koeberlinia spinosa var. tenuispina, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on July 21, 2018.

Citation for the whole project: Jepson Flora Project (eds.) 2018, Jepson eFlora,, accessed on July 21, 2018.

Geographic subdivisions for Koeberlinia spinosa var. tenuispina:
DSon (Chocolate Mtns);
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.
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).

View elevation by latitude chart
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, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time.