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Menodora spinescens var. mohavensis

Higher Taxonomy
Family: OleaceaeView DescriptionDichotomous Key

Habit: Perennial herb to tree [vine], hairs 0 or peltate or not; rarely dioecious. Leaf: simple to odd-pinnately compound, alternate or generally opposite, deciduous or evergreen; stipules 0. Inflorescence: various; flowers >= 1. Flower: generally bisexual, generally radial; calyx generally minute (0), tube cup-shaped, lobes 4--15; petals (0)4--6(8), generally fused; nectar disk often present; stamens (0)2(4--5), epipetalous; pistil 1, ovary superior, chambers 2, each 2--4 ovuled, placenta axile, style 1, stigma generally 2-lobed. Fruit: drupe, capsule, or winged achene. Seed: 1 per chamber.
Genera In Family: +- 25 genera, 900 species: +- worldwide; some cultivated for ornamental (Forsythia; Jasminum, jasmine; Ligustrum, privet; Syringa, lilac) or food (Olea, olive).
eFlora Treatment Author: Family description, key to genera by Thomas J. Rosatti; treatment of genera by James Henrickson, except as noted
Scientific Editor: Bruce G. Baldwin.
Genus: MenodoraView DescriptionDichotomous Key

Habit: Perennial herb to shrub. Leaf: simple, opposite or alternate, sessile or short-petioled, entire to lobed, prominently 1-veined below. Inflorescence: axillary cluster or terminal compound cyme. Flower: bisexual; calyx persistent, lobes (4)5--10(12), +- linear; corolla +- rotate or funnel-shaped, lobes (4)5(8); style slender, stigma head-like, +- 2-lobed. Fruit: papery capsule, deeply 2-lobed to near base. Seed: 2--4[8].
Species In Genus: +- 23 species: America, southern Africa. Etymology: (Greek: gift of force, for sustenance provided to horses of Humboldt and Bonpland in Mexico)
eFlora Treatment Author: Timothy Chumley
Species: Menodora spinescensView Description 

Habit: Shrub, dense, mounded, 2--5(6) dm. Stem: many from generally short, stout trunk, spreading to ascending, round in ×-section, densely puberulent, terminating in thorns, these often appearing forked at ends of major branches. Leaf: alternate (leaf-like bracts appearing clustered on short flower shoots), sessile, (2)4--10(16) mm, linear-oblanceolate to oblanceolate, 3-cleft to middle, densely puberulent, generally only present at flower. Inflorescence: axillary, compact cluster. Flower: calyx puberulent, lobes (4)5--6(8), (1.8)2--4(5) mm, linear; corolla white tinged red or purple, red in bud, lobes 4--5(6), obovate. Fruit: each lobe +- indehiscent, opening irregularly, (5)6.3--7.9(9) mm, +- glabrous to slightly scabrous. Seed: generally 2; (5)5.7--7.2(8) mm, elliptic to obovate in outline, planoconvex to lenticular in ×-section, seed coat appearing smooth, shiny.

Menodora spinescens var. mohavensis Steyerm.
Flower: bisexual; calyx tube 1.5--2.1(2.4) mm; corolla tube (7.5)7.9--10.2(11) mm, lobes 2.9--4.9(5.8) mm; filaments 0.5--2 mm, anthers yellow, 2--4 mm, included, or rudimentary; stigma well exserted, head-like or 2-lobed.
Ecology: Rocky desert hillsides, canyons; Elevation: 690--2000(2300) m. Bioregional Distribution: SnBr (n slope), DMoj. Flowering Time: Apr--May
eFlora Treatment Author: Timothy Chumley
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory

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Citation for this treatment: Timothy Chumley 2017. Menodora spinescens var. mohavensis, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on October 17, 2017.

Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora,, accessed on October 17, 2017.

Menodora spinescens var. mohavensis
click for enlargement
© 2012 James M. Andre
Menodora spinescens var. mohavensis
click for enlargement
© 2012 James M. Andre
Menodora spinescens var. mohavensis
click for enlargement
© 2012 James M. Andre
Menodora spinescens var. mohavensis
click for enlargement
© 2012 James M. Andre

More photos of Menodora spinescens var. mohavensis in CalPhotos

Geographic subdivisions for Menodora spinescens var. mohavensis:
SnBr (n slope), DMoj.
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.
View all CCH records

CCH collections by month

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