Primula calyptrata X.Gong & R.C.Fang

Species

Angiosperms > Ericales > Primulaceae > Primula

Characteristics

Herbs perennial, completely efarinose, stems and both surfaces of leaf blade as well as petioles with dense articulated hairs. Rhizome elongated, ca. 2 cm, with numerous fibrous roots, producing 1 or 2 leaf-bearing stems above. Stem 2--2.5 cm before or in anthesis, purple. Leaves alternate, leaf blade suborbicular, 2.8--4 X 2.6--3.8 cm, apex rounded, base cordate, margin irregularly undulate, thickly papery when dry, grayish green above, purple below, midvein and 4 pairs of lateral veins obscure above and plane but distinct below; petiole 2.5--5.5 cm. Scape 1 or 2, 12--18 cm high, sparsely white villous, with 1 or 2 superimposed umbels with 2--5 slightly secund flowers in each; pedicels 2--4 mm, with dense articulated hairs; bracts ovate-lanceolate, 4--6 mm, prominently 1-veined, with dense articulated hairs; calyx campanulate, 5--6 mm, with dense articulated hairs, divided to 1/2--1/3 into ovate-triangular lobes, lobe with 3 distinct veins; corolla purple with a yellow eye, salverform, pubescent outside, tube ca. 1.7 cm with a hairy annulus inside, limb 1.5--1.8 cm in diam., lobes oblong-obovate, deeply emarginate; homostylous, stamens inserted in throat, anthers below annulus; style ca. 1.7 cm, subequal to corolla tube. Capsule enclosed in calyx tube, dehiscing by means of a calyptra.
Life form perennial
Growth form herb
Growth support -
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.12 - 0.18
Root system fibrous-root rhizome
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 - 28
Germination temperacture (C°) 20
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Primula calyptrata world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:70027927-1
WFO ID wfo-0001268809
COL ID 4MCKM
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Primula calyptrata