Jepson Flora Project: Jepson Interchange    

 
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Jepson Interchange (more information)
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  • Up-to-date information about California vascular plants is available from the Jepson eFlora.

OLEACEAE

OLIVE FAMILY

Dieter H. Wilken

Shrub, tree, or vine, some dioecious
Leaves alternate or opposite, deciduous or evergreen, simple to pinnately compound
Inflorescence various; flower sometimes solitary
Flower sometimes unisexual, generally radial; calyx generally minute, tube cup-shaped, lobes 4–15; petals (0)4–6, generally fused; stamens generally 2, epipetalous; pistil 1, ovary superior, chambers 2, placentas axile, ovules 2–4 per chamber, 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 )
Reference: [Wilson & Wood 1959 J Arnold Arbor 40:369–384]

MENODORA

Perennial to shrub, generally glabrous
Leaves opposite to alternate, simple, generally entire, sessile to short-petioled
Inflorescence appearing after leaves; axillary clusters or terminal panicle
Flower bisexual; calyx lobes 5–15, ± linear, persistent; corolla ± rotate to funnel-shaped, lobes 4–6; ovules 2–4 per chamber, style slender, stigmatic lobes 2, ± spheric
Fruit: capsule, dehiscent by valves, circumscissile, or ± indehiscent, 2-lobed to near base
Seeds 4–8
Species in genus: ± 25 species: Am, s Africa
Etymology: (Greek: perhaps half-moon spear, from appearance of fruit on stiff pedicel)
Reference: [Steyermark 1932 Ann Missouri Bot Gard 19:87–176]

Native

M. scoparia A. Gray

Perennial to subshrub, ± glabrous
Stems generally many from base, 30–60 cm, generally erect
Leaves generally alternate, 5–25 mm, linear to obovate, reduced and narrower upward
Inflorescence terminal
Flower: calyx lobes 5–8, 3–6 mm, glabrous; corolla tube 3–5 mm; anthers and stigma exserted
Fruit circumscissile; lobes 5–7 mm
Chromosomes: 2n=22
Ecology: Rocky slopes, canyons
Elevation: 600–2000 m.
Bioregional distribution: e&s Mojave Desert, w Sonoran Desert, e Peninsular Ranges
Distribution outside California: to Texas, n Mexico
Flowering time: May–Jul

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