Jepson eFlora: Taxon page
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Limosella australis
DELTA MUDWORT

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 australis R. Br.
NATURALIZED
Habit: Tufted. Leaf: 1--3 cm, awl-like, cylindric, obtuse; stipules 0 or tapered; petiole 0. Inflorescence: pedicels < leaves, curved in fruit. Flower: calyx lobes <= tube; corolla +- 3 mm, lobes rounded, white to lavender-blue; stamens attached at 1 level; style > ovary, +- 1 mm, head-like, straight to +- curved, +- terminal. Fruit: spheric. Chromosomes: 2n=20.
Ecology: Muddy or sandy intertidal flats, brackish water; Elevation: < 10 m. Bioregional Distribution: Deltaic GV (near Antioch), CCo (Abbott's Lagoon, Marin Co.); Distribution Outside California: native to eastern coast North America. Flowering Time: Apr Note: Poorly known in western North America, seeds possibly brought in with ship ballast.
Synonyms: Limosella subulata E. Ives
eFlora Treatment Author: Margriet Wetherwax
Jepson Online Interchange

Previous taxon: Limosella aquatica
Next taxon: Myoporum

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botanical illustration including Limosella australis

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Citation for this treatment: Margriet Wetherwax 2016. Limosella australis, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=31029, accessed on September 24, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on September 24, 2016.


Geographic subdivisions for Limosella australis:
Deltaic GV (near Antioch), CCo (Abbott's Lagoon, Marin Co.);
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.