Jepson eFlora: Taxon page
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Batis maritima

Higher Taxonomy
Family: BataceaeView Description 

Habit: Perennial herb, subshrub, salt-tolerant; dioecious [monoecious]. Leaf: simple, opposite, sessile, +- cylindric or +- 3-angled, narrowly elliptic to narrowly oblanceolate or linear, fleshy, base with triangular appendage, margins entire; stipules minute. Inflorescence: dense, cone- or spike-like, axillary, +- sessile; flowers unisexual. Staminate Flower: 8--12, +- free, 4-ranked, subtended by +- widely ovate bract and involucre- or sac-like bractlets; calyx +- bilateral, cup- or bell-shaped, blunt-lobed; petals 4(5), alternate stamens; stamens 4(5), > petals, anthers opening by longitudinal slits. Pistillate Flower: (2)4--12(24), free or fused, subtended by small bractlet, << flower; perianth 0; ovary superior, fleshy, chambers 4, ovule 1 per chamber, stigma 2-lobed, +- spheric, sessile. Fruit: drupe or drupe-like aggregate, floating. Seed: 1--4. Chromosomes: n=11.
Genera In Family: 1 genus, 2 species: coastal, tropics, subtropical America, Pacific, Australia. Note: Staminate perianth variously interpreted as tepals, petals, or staminodes.
eFlora Treatment Author: Steve Boyd & William J. Stone
Scientific Editor: Douglas H. Goldman, Bruce G. Baldwin.
Genus: BatisView Description 

Species In Genus: 2 species. Etymology: (Greek: name of a seashore plant) Note: Batis argillicola P. Royen of New Guinea, northeastern Australia is monoecious.

Batis maritima L.
Stem: prostrate to ascending, < 1.5 m; base woody. Leaf: (0.5)1--2 cm, linear to narrowly oblanceolate, +- cylindric, +- flattened above. Inflorescence: staminate +- 6 mm, ovoid-cylindric, bracts or bractlets rounded; pistillate +- 6 mm, cylindric (obconic) in fruit; flowers fused in age. Staminate Flower: petals white, blade +- triangular, clawed, stamens exserted. Fruit: +- 10 mm, fleshy, spongy or corky in age.
Ecology: Coastal salt marshes; Elevation: < 10 m. Bioregional Distribution: SCo; Distribution Outside California: to southeastern United States, Caribbean, northern South America; Hawaii. Flowering Time: Apr--Sep
eFlora Treatment Author: Steve Boyd & William J. Stone
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botanical illustration including Batis maritima


Citation for this treatment: Steve Boyd & William J. Stone 2016. Batis maritima, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on April 30, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora,, accessed on April 30, 2016.

Geographic subdivisions for Batis maritima:
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.
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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Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.