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PLANTAGINACEAE PLANTAIN FAMILY

Margriet Wetherwax, except as noted

Annual to shrub, some aquatic. Leaf: basal or cauline, alternate or opposite (whorled), simple, entire to dentate or lobed, venation generally pinnate; stipules 0. Inflorescence: raceme, spike, or flowers axillary in 1–few-flowered clusters; flowers few to many, each subtended by 1 bract. Flower: unisexual or bisexual, radial or bilateral; sepals 4–5, generally fused at base; corolla 4–5-lobed, scarious or not, persistent or not, generally 2-lipped, upper lip generally 2-lobed, lower generally 3-lobed, spur present or not, tube sac-like at base or not; stamens 2 or 4, alternate corolla lobes, epipetalous, staminode 0 or 1–2, anthers opening by 2 slits; ovary superior, [1]2–4-chambered, style 1, stigma lobes 0 or 2. Fruit: generally a capsule, septicidal, loculicidal, circumscissile, or dehiscing by terminal slits or pores.
110 genera, ± 2000 species: worldwide, especially temperate. [Angiosperm Phylogeny Group 1998 Ann Missouri Bot Gard 85:531–553; Olmstead et al. 2001 Molec Phylogen Evol 16:96–112] Veronicaceae sensu Olmstead et al. Recently treated to include Callitrichaceae, Hippuridaceae, and most non-parasitic California genera of Scrophulariaceae (except Buddleja, Limosella, Mimulus, Myoporum, Scrophularia, Verbascum). California Maurandya moved to Holmgrenanthe and Maurandella. Limnophila ×ludoviciana Thieret an occasional agricultural weed in rice fields. Hebe ×franciscana (Eastw.) Souster, Hebe speciosa (R. Cunn.) Andersen only cultivated. —Scientific Editors: Robert Patterson, Bruce G. Baldwin.

Key to Plantaginaceae

MOHAVEA

Margriet Wetherwax & David M. Thompson

Annual, hairy. Stem: erect; branches 0 or few. Leaf: proximal generally opposite, distal alternate; lanceolate, entire; veins pinnate. Inflorescence: crowded; flowers 1 in axils. Flower: calyx lobes 5, ± equal; corolla base sac-like, lips flaring, ± fan-shaped, lower lip base swollen, closing throat; stamens 2, included, anther sacs 1 per stamen, staminodes 2. Fruit: obliquely ovoid, fragile; chambers dehiscent by 1–2 large pores near tip. Seed: ovate, flat, smooth; wing incurved, ± cup-shaped.
2 species: southwestern United States, northern Mexico. (Mojave River, where first collected by John Frémont) [Oyama & Baum 2004 Amer J Bot 91:918–925] Best included in Antirrhinum (name in Antirrhinum unavailable for Mohavea breviflora).

Key to Mohavea

M. breviflora Coville
NATIVE
Plant 5–20 cm. Inflorescence: pedicel 2–5 mm. Flower: lower corolla lip maroon-spotted only on swollen base, lobed to within 2–3 mm of swollen base. Fruit: 8–10 mm.
n=15. Gravelly desert slopes, washes; < 1850 m. Mojave Desert; southern Nevada, northwestern Arizona. Mar–Apr [Online Interchange]

Previous taxon: Mohavea
Next taxon: Mohavea confertiflora

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Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Jul 25 2014
Citation for this treatment: [Author of taxon treatment] 2013. Mohavea, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=33869, accessed on Jul 25 2014

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click for enlargement Mohavea breviflora
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2004 Christopher L. Christie

Bioregions in which Mohavea breviflora occurs 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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CCH collections by month

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