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SCROPHULARIACEAE FIGWORT FAMILY

Margriet Wetherwax, except as noted

Annual to tree, generally glandular, some ± aquatic. Stem: round to square in ×-section. Leaf: simple, generally alternate, generally ± entire; stipules generally 0 (present in Limosella). Inflorescence: spike to panicle (head-like), generally bracted, or flowers 1–4 in axils. Flower: generally bisexual; calyx lobes 4–5; corolla bilateral to radial, lobes 4–5; stamens epipetalous, 4–5, 5th a staminode in Scrophularia; pistil 1, ovary superior, chambers generally 2, placentas axile, style 1, stigma lobes generally 2. Fruit: capsule, generally ± ovoid, loculicidal or septicidal, or drupe-like.
± 65 genera, 1700 species: ± worldwide; some cultivated as ornamental (Verbascum). [Olmstead et al. 2001 Amer J Bot 88:348–361] Other taxa moved to Plantaginaceae (Antirrhinum, Bacopa, Collinsia, Cymbalaria, Digitalis, Dopatrium, Gambelia, Gratiola, Hebe, Holmgrenanthe, Keckiella, Kickxia, Limnophila, Linaria, Lindernia, Maurandella, Mohavea, Nothochelone, Penstemon, Pseudorontium, Stemodia, Synthyris, Tonella, Veronica), Orobanchaceae (Bellardia, Castilleja, Cordylanthus, Orthocarpus, Parentucellia, Pedicularis, Triphysaria), Phrymaceae (Mimulus). —Scientific Editors: Douglas H. Goldman, Bruce G. Baldwin.
Unabridged references: [Albach et al. 2005 Amer J Bot 92:297–315]

Key to Scrophulariaceae

LIMOSELLA MUDWORT
Annual, stoloned, occasionally partly submersed. Leaf: basal, erect; stipules generally present; petioles present or not. Inflorescence: scapose; flower 1. Flower: calyx bell-shaped, lobes 5, ovate, acute; corolla radial, bell-shaped, lobes 5, adaxially sparsely papillate; stamens 4; style generally ± terminal, stigmas generally fused, head-like. Fruit: elliptic to spheric, chambers 2 proximally, 1 distally. Seed: many, minute.
± 15 species: worldwide. (Latin: mud seat, from habitat)

Key to Limosella

L. acaulis Sessé & Moc.
NATIVE
Cespitose, generally mat-forming. Leaf: 1–6 cm, 0.5–2 mm wide, flat, linear to ± spoon-shaped; stipules generally ear-shaped, transparent; petiole generally 0. Inflorescence: pedicels < 2/3 leaf length, spreading in fruit. Flower: calyx lobes ± = tube; corolla 2–3 mm, white to lavender, lobes rounded; stamens attached at 1 level; style 0.2–0.7 mm, erect to ± curved. Fruit: 3–5 mm, spheric.
Wet, muddy places, generally fresh water; < 3300 m. Klamath Ranges, High Sierra Nevada, Great Central Valley, Central Western California, Southwestern California, Great Basin Floristic Province; to New Mexico, Mexico. May–Oct [Online Interchange]

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Next taxon: Limosella aquatica

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Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Oct 23 2014
Citation for this treatment: [Author of taxon treatment] 2013. Limosella, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=31027, accessed on Oct 23 2014

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click for enlargement Limosella acaulis
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2003 Steve Matson

Geographic subdivisions indicated for the distribution of Limosella acaulis 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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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).

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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.
Blue line denotes eFlora flowering time.