Heliotropium formosanum I.M.Johnst.

Species

Angiosperms > Boraginales > Boraginaceae > Heliotropium

Characteristics

Herbs perennial, ascending or prostrate, short gray strigose. Stems 10-25 cm tall, base usually woody; branches sparse, slender. Leaves crowded; petiole of basal leaves ca. 1 mm, other leaves ± sessile; leaf blade elliptic to ovate, 3-4 × 1-2 mm, base obtuse to rounded, apex acute; midvein prominent adaxially. Inflorescences terminal, obscurely scorpioid, 0.8-1.5 cm, 4-8-flowered; bracts ovate to elliptic, 2-3 mm. Flowers crowded. Calyx 2-3 mm, strigose outside, subglabrous inside; lobes unequal, 0.5-1.2 mm wide, slightly surpassing corolla tube. Corolla white, 3.5-4 mm; tube ca. 1.5 mm, middle 0.8-1 mm wide; throat slightly contracted, densely tomentose; limb to 4 mm wide; lobes ovate-triangular, ca. 1 mm wide, with a wide obtuse fold between lobes. Filaments extremely short, inserted 0.4-0.6 mm above base of corolla tube; anthers ovate-lanceolate, 0.6-0.7 mm, apex coherent. Ovary smooth. Style ca. 0.5 mm; stigma long conical, 0.7-0.8 mm. Fruit convex, 1-1.2 mm, appressed pubescent above middle; mericarps with an aperture adaxially at middle, ribs with a scar at middle.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 0.25
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

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

Usage

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

Cultivation

Mode -
Germination duration (days) 14 - 42
Germination temperacture (C°) 18 - 23
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Heliotropium formosanum world distribution map, present in China and Taiwan, Province of China

Identifiers

LSID urn:lsid:ipni.org:names:116856-1
WFO ID wfo-0000718584
COL ID 6LL7L
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Heliotropium formosanum