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Androsace filiformis Retz.

Filiform rockjasmine (en)

Species

Angiosperms > Ericales > Primulaceae > Androsace

Characteristics

Herbs annual, with numerous fibrous roots. Leaf rosettes solitary, 2--8 cm in diam. Leaves basal; petiole ca. as long as to slightly longer than leaf blade; leaf blade elliptic to ovate-oblong, 6--25 X 5--12 mm, glabrous or sparsely glandular pubescent, base short attenuate, margin remotely denticulate, apex obtuse to acute. Scapes 3 to many, 2.5--15(--20) cm, glabrous or with sparse glandular hairs distally; umbels many flowered; bracts linear-lanceolate, ca. 2 mm. Pedicels unequal, filiform, 2--7 cm. Calyx cup-shaped, 2--2.5 mm, without veins, parted to middle; lobes triangular, glabrous or occasionally sparsely glandular pubescent, hyaline margined, apex acute. Corolla white, ca. 3 mm in diam.; lobes oblong. Fl. May. 2n = 18, 20.
More
Plants annual, slender, not mat-forming. Leaves in single rosette; petiole present; blade ovate to deltate, 5-25 × 2-6 mm, base abruptly narrowing to winged petiole, margins without hairs, surfaces glabrous or slightly glandular, glands not stipitate. Scapes (often multiple), 5-25, 3-12 cm, glabrescent. Inflorescences 5-20-flowered; involucral bracts lanceolate, relatively narrow. Pedicels erect to arcuate, filiform, unequal, 1-6 cm. Flowers: calyx campanulate to hemispheric, without prominent ridges, ca. 2 mm, lobes erect, triangular, apex acute; corolla tube shorter than calyx, limb ca. 2 mm diam. Capsules slightly shorter than calyx, 2-4 mm. 2n = 20 (Asia).
Life form annual
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.03 - 0.15
Root system fibrous-root
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Light 7-9
Soil humidity 2-7
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-10

Usage

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

Cultivation

Mode -
Germination duration (days) 30 - 365
Germination temperacture (C°) 10 - 12
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Androsace filiformis unspecified picture

Distribution

Androsace filiformis world distribution map, present in Azerbaijan, Belarus, Canada, China, Kazakhstan, Liberia, Lithuania, Latvia, Mongolia, Korea (Democratic People's Republic of), Russian Federation, Tajikistan, Ukraine, United States of America, and Uzbekistan

Identifiers

LSID urn:lsid:ipni.org:names:30072292-2
WFO ID wfo-0000534559
COL ID DVCM
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Primula filiformis Androsace asprella Androsace filiformis Androsace fasciculata Androsace capillaris Androsace filiformis f. glandulosa Androsace elongata Androsace neglecta Androsace radiata Androsace filiformis var. glandulosa
WorldFloraDB 2024