Delilia biflora Kuntze

Species

Angiosperms > Asterales > Asteraceae > Delilia

Characteristics

Annual herbs, 1-9 dm tall; stems erect, 1-4 mm diam., glabrate to antrorsely strigose with hairs 0.5 mm long. Leaves narrowly ovate, 3-8 cm long, 1.5-3 cm wide, acute to acuminate, the base attenuate, both surfaces strigillose with hairs 0.3-0.5 mm long, the margin serrate; petioles 3-12 mm long and 0.5 mm diam. Inflorescence globose terminal and axillary clusters (approaching a secondarily headed condition); peduncles 1-2 mm long. Heads radiate, 4-5 mm tall, 3.5-5 mm wide; involucre compressed, completely enclosing the florets, of three herbaceous strigillose bracts, one large and two small, the large bract ovate, 4-5 mm long, 3.5-5 mm wide, the apex rounded, the smallest bract narrowly ovate, 3 mm long, 1 mm wide, the apex acute, bidden beneath the slightly larger middle-sized bract; paleas absent; ray floret 1, the ligule ovate, 0.4 mm long, 0.3 mm wide, the tube 1.3 mm long, 0.1 mm diam., glabrous; disc floret 1(-4), the corolla 0.6 mm diam., the throat 1 mm and tube 1.5 mm long, glabrous, the anthers black, the ovary filiform, 1.5 mm long, 0.1 mm diam. Achene obovoid, gray, compressed, with a central ridge, 2-2.5 mm long, 1.2-1.4 mm diam., glabrous. Chromosome number n = 12.
Life form annual
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 0.9
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

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

Cultivation

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

Distribution

Delilia biflora world distribution map, present in Argentina, Belize, Bolivia (Plurinational State of), Brazil, Colombia, Cabo Verde, Costa Rica, Cuba, Ecuador, Guatemala, Guyana, Honduras, Mexico, Nicaragua, Panama, El Salvador, and Venezuela (Bolivarian Republic of)

Identifiers

LSID urn:lsid:ipni.org:names:77220-2
WFO ID wfo-0000027213
COL ID 34GJ4
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Delilia biflora Milleria biflora Delilia berteroi Elvira biflora Elvira martyni Meratia sprengelii Culcitium nivale var. nivale