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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, 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
Annual, ± perennial herb, aquatic or subaquatic. Stem: prostrate to ascending, or floating, generally < 6 dm. Leaf: cauline, opposite, generally < 40 mm, generally narrowly ± obovate to ± round, ± entire. Inflorescence: flowers 1–3 per leaf axil, sessile or pedicelled. Flower: sepals (4)5, unequal; corolla 5-lobed, generally white to pink or blue, throat yellow, occasionally with white; stamens 4; ovary subtended by nectary, stigma weakly 2-lobed. Fruit: loculicidal or septicidal, spheric. Seed: > 30, 0.1–0.3 mm, evenly sculptured with rectangular pits.Key to Bacopa
± 100 species: tropics, warm temperate. (Presumed to be aboriginal name) [Barrett & Strother 1978 Syst Bot 3:408–419] Bacopa repens (Sw.) Wettst. an historical weed in rice fields, last reported in 1976. Some flowers cleistogamous.
Leaf: 12–36 mm, ± round; veins > 6, palmate. Inflorescence: pedicel 5–18 mm, generally < leaf, stout; bractlets 0. Flower: outer sepals 3.1–5.3 mm, ovate to ± round; corolla 5–8 mm, white with yellow in tube/throat; anthers 0.6–1.3 mm, little, if at all, exserted.
2n=56. Muddy places, in wet soil or rooted and floating in shallow water; < 100 m (< 1100 m in Modoc Plateau). Great Central Valley, Modoc Plateau (Fall River Valley, Shasta Co.); to Idaho, eastern United States, Arizona, Mexico; native to central United States. In California often associated with rice cultivated. May–Aug [Online Interchange]
Unabridged synonyms: [Bacopa nobsiana H. Mason]
Previous taxon: Bacopa repens
Next taxon: Callitriche
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Aug 2 2015
Citation for this treatment: [Author of taxon treatment] 2013. Bacopa, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=15391, accessed on Aug 2 2015
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|Geographic subdivisions indicated for the distribution of Bacopa rotundifolia|| 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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(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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