Murdannia spirata

(Linnaeus) Bruckner in H. G. A. Engler and K. Prantl

in H. G. A. Engler and K. Prantl,Die naturlichen Pflanzenfamilien, zweite Auflage 15a: 173. 1930.

WeedyIntroduced
Basionym: Commelina spirata Linnaeus Mant. Pl. 2: 176. 1771
Treatment appears in FNA Volume 22.

Herbs, annual, erect to decumbent, usually much branched with age, to 30 cm. Leaves: blade lanceolate-oblong to ovate, 1–4 × 0.3–1 cm. Inflorescences: cymes 1–2, several-flowered, elongate; bracteoles persistent, 2–6 mm apart. Flowers bisexual, radially symmetric, 8 mm wide; sepals 2.5–4 mm; petals rose or lavender with darker veins, 4–5 mm; fertile stamens 3; filaments bearded; staminodes 3. Capsules 3–5 mm. Seeds 3–7 per locule, less than 1 mm, warty.


Phenology: Flowering fall–early winter.
Habitat: Palm hammocks, low prairies, glades, pastures, and roadsides

Distribution

V22 518-distribution-map.jpg

Introduced; Fla., native, Asia

Discussion

Murdannia spirata was first collected in Florida in 1965.

Selected References

None.

Lower Taxa

None.
... more about "Murdannia spirata"
Robert B. Faden +
(Linnaeus) Bruckner in H. G. A. Engler and K. Prantl +
Commelina spirata +
1 cm10 mm <br />0.01 m <br /> (4 cm40 mm <br />0.04 m <br />) +
lanceolate-oblong;ovate +
succulent +
0.3 cm3 mm <br />0.003 m <br /> (1 cm10 mm <br />0.01 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
several-flowered +
elongate +
Fla. +, native +  and Asia +
symmetric +, or +  and staminate +
8 cm80 mm <br />0.08 m <br /> (?) +
Palm hammocks, low prairies, glades, pastures, and roadsides +
thyrsiform +  and cymose +
cauline +  and basal +
lavender +  and rose +
distinct +
not clawed +
subequal +
0.4 cm4 mm <br />0.004 m <br /> (?) +  and 0.5 cm5 mm <br />0.005 m <br /> (?) +
Flowering fall–early winter. +
in H. G. A. Engler and K. Prantl,Die naturlichen Pflanzenfamilien, zweite Auflage +
0 cm0 mm <br />0 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
distinct +
subequal +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Weedy +  and Introduced +
antipetalous +, staminodial +  and antisepalous +
not +  and enlarged +
slender +
Murdannia spirata +
Murdannia +
species +
erect +  and decumbent +
11 +, 10 +, 9 +, 7 +  and 6 +