Commelina caroliniana Walter

Carolina dayflower (en)

Species

Angiosperms > Commelinales > Commelinaceae > Commelina

Characteristics

Herbs, annual, diffusely spreading. Roots at nodes. Stems decumbent to scandent. Leaves: blade lanceolate to lanceolate-elliptic or lanceolate-oblong, 2.5--10.5 ´ 0.7--2.4 cm, margins scabrous, apex acute to acuminate, glabrous. Inflorescences: distal cyme vestigial, included (rarely 1-flowered and exserted); spathes solitary, bright green, paler basally, without contrasting veins, pedunculate, not at all to slightly falcate, 1.2--3(--3.7) ´ 0.5--1 cm, margins distinct, usually ciliate, apex acuminate, glabrous or very sparsely pilose; peduncles 0.6--2.3 cm. Flowers bisexual; petals all blue, proximal petal white medially, smaller; medial stamen with white connective; staminodes 3; antherodes yellow, often with central maroon spot, cruciform. Capsules 3-locular, 2-valved, (5--)6--8 mm. Seeds 5, dark brown, 2.4--4.3(--4.6) ´ (1.6--)2--2.3 mm, smooth to faintly alveolate, mealy. 2n = ca. 86.
More
Spathes not at all or only slightly falcate; upper cyme generally vestigial (rarely well developed and 1-fld); fr (5)6–8 mm; seeds of the lower locules 2.4–4.3(–4.6) mm, smooth or faintly alveolate; otherwise much like no. 2 [Commelina diffusa Burm.f.]. Native of India, long intr. and weedy in se. U.S., n. to Md.
Life form annual
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 4-9
Soil humidity 1-5
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 5-12

Usage

Uses medicinal
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 30 - 37
Germination temperacture (C°) 21
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Flower

Commelina caroliniana flower picture by Doc Lingo (cc-by-sa)

Distribution

Commelina caroliniana world distribution map, present in Åland Islands, Andorra, Bangladesh, Georgia, Guyana, Indonesia, Nicaragua, Nepal, Philippines, and United States of America

Conservation status

Commelina caroliniana threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:317281-2
WFO ID wfo-0000358242
COL ID XFFF
BDTFX ID -
INPN ID 883731
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Commelina caroliniana Commelina hasskarlii