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Limosella acaulis

Higher Taxonomy
Family: ScrophulariaceaeView DescriptionDichotomous Key

Common Name: FIGWORT FAMILY
Habit: 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.
Genera In Family: +- 65 genera, 1700 species: +- worldwide; some cultivated as ornamental (Verbascum). Note: 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).
eFlora Treatment Author: Margriet Wetherwax, except as noted
Scientific Editor: Douglas H. Goldman, Bruce G. Baldwin.
Genus: LimosellaView DescriptionDichotomous Key

Common Name: MUDWORT
Habit: 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.
Species In Genus: +- 15 species: worldwide. Etymology: (Latin: mud seat, from habitat)

Limosella acaulis Sessé & Moc.
NATIVE
Habit: 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.
Ecology: Wet, muddy places, generally fresh water; Elevation: < 3300 m. Bioregional Distribution: KR, SNH, GV, CW, SW, GB; Distribution Outside California: to New Mexico, Mexico. Flowering Time: May--Oct
eFlora Treatment Author: Margriet Wetherwax
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Previous taxon: Limosella
Next taxon: Limosella aquatica

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botanical illustration including Limosella acaulis

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Citation for this treatment: Margriet Wetherwax 2016. Limosella acaulis, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=31027, accessed on December 04, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on December 04, 2016.


Limosella acaulis
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© 2014 Aaron Schusteff
Limosella acaulis
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© 2008 Steve Matson
Limosella acaulis
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© 2015 Keir Morse
Limosella acaulis
click for enlargement
© 2015 Keir Morse
Limosella acaulis
click for enlargement
© 2015 Keir Morse
Limosella acaulis
click for enlargement
© 2015 Keir Morse

More photos of Limosella acaulis in CalPhotos


Geographic subdivisions for Limosella acaulis:
KR, SNH, GV, CW, SW, GB;
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.
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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.