Lindernia crustacea

(Linnaeus) F. Mueller

Syst. Census Austral. Pl., 97. 1882/1883.

Common names: Malaysian false-pimpernel
Introduced
Basionyms: Capraria crustacea Linnaeus Mant. Pl. 1: 87. 1767
Synonyms: Torenia crustacea (Linnaeus) Chamisso & Schlechtendal
Treatment appears in FNA Volume 17. Treatment on page 356. Mentioned on page 353, 354, 357.

Annuals. Stems erect to ascending or prostrate, not matted, usually rooting at proximal nodes, 2–26 cm. Leaves cauline, thin; petiole present or absent; blade ovate, elliptic, or suborbicular, distal sometimes lanceolate to nearly linear, 2–28 × 0.5–17 mm, pinnately veined or distal sometimes 1-nerved, not leathery, margins serrate, serrulate, crenate, or coarsely toothed, rarely nearly entire; distal well developed or much reduced. Pedicels 2–36 mm, 1/2–4 times subtending leaves. Flowers: sepals 1.8–5.9 mm, connate 1/2–3/4 lengths; corolla-tube and adaxial lip lavender, pink, or blue to white, abaxial lobes white with purple to blue markings, tube 3–9 mm, adaxial lip 3/4–1 times abaxial; stamens 4; staminodes absent. Capsules broadly ellipsoid to globular, 1.4–5.5 × 1.7–3.5 mm. Seeds cylindric, ellipsoid, or irregularly oblong, not ribbed. 2n = 42 (India).


Phenology: Flowering year-round.
Habitat: Wet ditches and depressions, moist to wet disturbed habitats.
Elevation: 0–100 m.

Distribution

Introduced; Ala., Ark., Fla., Ga., La., Miss., N.C., S.C., Tex., Asia (China), Asia (India), Asia (Japan), Asia (Malaysia), Africa, Pacific Islands (Philippines), Australia, also in Mexico, West Indies, Central America, South America, Asia (Indonesia), elsewhere in Pacific Islands

Discussion

Lindernia crustacea is common and weedy, as well as used medicinally, in much of the Eastern Hemisphere. It is difficult to assess the native range of the species; here the author follows E. Fischer et al. (2013). The first collection in the flora area was in 1916 in Lee County, Florida (Standley 390, MO). The species is apparently continuing to spread in the southeastern United States.

Selected References

None.

Lower Taxa

None.

"thin" is not a number.

... more about "Lindernia crustacea"
3/4-1 times abaxial lip +
Deborah Q. Lewis +
(Linnaeus) F. Mueller +
Capraria crustacea +
suborbicular +, elliptic +  and ovate +
not +  and leathery +
campanulate +
0.14 cm1.4 mm <br />0.0014 m <br /> (0.55 cm5.5 mm <br />0.0055 m <br />) +
broadly ellipsoid +  and globular +
0.17 cm1.7 mm <br />0.0017 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
Malaysian false-pimpernel +
blue +, violet +, punct +, bluish with darker purple +, purplish +  and white +
0.2 cm2 mm <br />0.002 m <br /> (2.8 cm28 mm <br />0.028 m <br />) +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
Ala. +, Ark. +, Fla. +, Ga. +, La. +, Miss. +, N.C. +, S.C. +, Tex. +, Asia (China) +, Asia (India) +, Asia (Japan) +, Asia (Malaysia) +, Africa +, Pacific Islands (Philippines) +, Australia +, also in Mexico +, West Indies +, Central America +, South America +, Asia (Indonesia) +  and elsewhere in Pacific Islands +
0–100 m. +
poricidal +  and septicidal +
Wet ditches and depressions, moist to wet disturbed habitats. +
elliptic;triangular-ovate +
entire +  and serrate +
toothed +, crenate +  and serrulate +
tenuinucellate +  and unitegmic +
orthotropous +
1/2-4 times subtending leaves +
0.2 cm2 mm <br />0.002 m <br /> (3.6 cm36 mm <br />0.036 m <br />) +
Flowering year-round. +
Syst. Census Austral. Pl., +
oblong +, ellipsoid +  and cylindric +
0.18 cm1.8 mm <br />0.0018 m <br /> (0.59 cm5.9 mm <br />0.0059 m <br />) +
Introduced +
papillate +
geniculate +
erect +  and ascending +
weakly +  and 4-angled +
2 cm20 mm <br />0.02 m <br /> (26 cm260 mm <br />0.26 m <br />) +
neither +, clavate +, capitate +  and 2-lobed +
Torenia crustacea +
Lindernia crustacea +
Lindernia +
species +
0.3 cm3 mm <br />0.003 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
perennial +  and annual +
9 +, 8 +  and 7 +