Difference between revisions of "Lavatera olbia"

Linnaeus

Sp. Pl. 2: 690. 1753.

Common names: Tree lavatera or mallow
Introduced
Synonyms: Althaea olbia (Linnaeus) Kuntze Lavatera hispida Desfontaines
Treatment appears in FNA Volume 6. Treatment on page 277. Mentioned on page 278.
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|name=Althaea olbia
 
|name=Althaea olbia
 
|authority=(Linnaeus) Kuntze
 
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|rank=species
 
}} {{Treatment/ID/Synonym
 
}} {{Treatment/ID/Synonym
 
|name=Lavatera hispida
 
|name=Lavatera hispida
 
|authority=Desfontaines
 
|authority=Desfontaines
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|rank=species
 
}}
 
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|hierarchy=Malvaceae;Malvaceae subfam. Malvoideae;Lavatera;Lavatera olbia
 
|hierarchy=Malvaceae;Malvaceae subfam. Malvoideae;Lavatera;Lavatera olbia
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name=Lavatera olbia
 
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|publication year=1753
 
|publication year=1753
 
|special status=Introduced
 
|special status=Introduced
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V6/V6_505.xml
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V6/V6_505.xml
 
|subfamily=Malvaceae subfam. Malvoideae
 
|subfamily=Malvaceae subfam. Malvoideae
 
|genus=Lavatera
 
|genus=Lavatera

Revision as of 23:05, 16 December 2019

Subshrubs or shrubs, usually 1–2 m. Stems woody at base, bristly-hairy, young stems tomentose, infrequently glabrescent. Leaves reduced distally; stipules narrowly lanceolate, 2–4 mm; petioles to 10 cm in proximal leaves, reduced distally to 1/4 blade length; blade green, to 15 cm, surfaces densely stellate-tomentose, proximal blades broadly to narrowly ovate, 3–5-lobed, lobes lanceolate to ovate, margins crenate-dentate to nearly entire, apex acute to rounded, distal blades oblong-ovate to lanceolate, often slightly 3-lobed and subhastate. Inflorescences solitary flowers or congested racemelike distally, subsessile. Pedicels 0.2–0.7 cm, not elongating in fruit; involucellar bractlets connate halfway, subequal to calyx, lobes wide-ovate, apex acuminate. Flowers showy; calyx divided halfway, campanulate, ciliate, hispid-hairy, lobes abruptly acuminate, ± enclosing fruit; corolla 4–6 cm diam., petals pink to purple-violet, veins darker rose, 2–3 cm, bases not overlapping (calyx visible between), apex shallowly notched; staminal column glabrous; anthers on upper 3/4 of stamen column, pink to yellowish; style 17–19-branched (same number as locules). Mericarps 17–19, tomentose or hispid, sides sometimes glabrate. 2n = 42.


Phenology: Flowering Jun–Aug(–Oct).
Habitat: Disturbed habitats
Elevation: 0–100 m

Discussion

Lavatera olbia is widely cultivated as a garden ornamental and along highway medians; it only rarely escapes or naturalizes, but a few apparent escapes have been found in Monterey, Orange, and San Francisco counties. Lavatera olbia and L. thuringiaca hybridize to produce the occasionally cultivated hybrid Lavatera ×clementii Cheek.

Selected References

None.

Lower Taxa

None.