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Stemodia durantifolia

Higher Taxonomy
Family: PlantaginaceaeView DescriptionDichotomous Key

Habit: 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, [1]2--4-chambered, style 1, stigma lobes 0 or 2. Fruit: generally a capsule, septicidal, loculicidal, circumscissile, or dehiscing by terminal slits or pores.
Genera In Family: 110 genera, +- 2000 species: worldwide, especially temperate. Note: 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.
eFlora Treatment Author: Margriet Wetherwax, except as noted
Scientific Editor: Robert Patterson, Bruce G. Baldwin.
Genus: StemodiaView Description 

Habit: [Annual] perennial herb [shrub]. Stem: 1--many, ascending to erect. Leaf: generally opposite, clasping, +- dentate to pinnately-lobed. Inflorescence: flowers in terminal interrupted spikes, 2--4 per node; bracts 2 proximal to calyx. Flower: sepals 5, free; corolla 5-lobed, 2-lipped, white to violet or purple, tube 4-angled, upper lip 2-lobed, arched, lower lip reflexed; stamens 4, in 2 pairs, anther sacs well separated by thick tissue; stigma lobes 2, flat. Fruit: loculicidal, +- ovoid. Seed: many, surface net-like.
Species In Genus: +- 50 species: tropical America, Africa, Asia, Australia. Etymology: (Latin: from stemodiacra, stamens with 2 tips)
eFlora Treatment Author: Robert E. Preston & Margriet Wetherwax

Stemodia durantifolia (L.) Sw.
Habit: Plant glandular-hairy. Stem: 10--100 cm. Leaf: 2--3 per node, +- sessile, 2--4 cm, 5--20 mm wide, +- lanceolate, +- dentate; reduced distally on stem. Inflorescence: pedicels 2--12 mm; bracts +- = sepals. Flower: sepals 5--7 mm, lanceolate, long-tapered; corolla 7--10 mm, violet to purple. Fruit: 4--5 mm, ovoid-cylindric.
Ecology: Riparian habitats, on wet sand or rocks, drying streambeds; Elevation: < 400 m. Bioregional Distribution: PR, w DSon; Distribution Outside California: Arizona, Texas, to South America; introduced elsewhere. Flowering Time: All year Note: Stemodia durantifolia var. chilensis (Benth.) C.C. Cowan in Chile.
eFlora Treatment Author: Robert E. Preston & Margriet Wetherwax
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory

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botanical illustration including Stemodia durantifolia


Citation for this treatment: Robert E. Preston & Margriet Wetherwax 2016. Stemodia durantifolia, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on May 01, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora,, accessed on May 01, 2016.

Stemodia durantifolia
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© 2011 Dylan Neubauer

More photos of Stemodia durantifolia in CalPhotos

Geographic subdivisions for Stemodia durantifolia:
PR, w DSon;
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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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.