Philadelphus microphyllus var. argyrocalyx (Wooton) Henrickson

Variety

Angiosperms > Cornales > Hydrangeaceae > Philadelphus > Philadelphus microphyllus

Characteristics

Leaf blades (1.2–)1.5–3(–4.5) × (0.5–)0.7–1.3(–1.9) cm, herbaceous, margins entire, sometimes ± revolute, abaxial surface whitish gray, sericeous initially, but hairs usually becoming erect and chaotic, sometimes remaining appressed, straight or slightly curved, 0.3–0.7 mm, hairs longer (0.7–1.1 mm) and more common along main veins, adaxial surface brown (cuticle thin, papillate) or gray-green (cuticle thick, smooth), glabrous or sparsely to moderately strigose, hairs usually loosely appressed to spreading, rarely erect, 0.3–0.6 mm. Inflorescences 1(–3)-flowered. Flowers 23–35(–40) mm diam.; hypanthium and sepal abaxial surfaces ± densely white sericeous-strigose and villous-lanate, hairs straight and curved to loosely coiled, and with understory of slender curved-crisped hairs, hairs usually completely obscuring epidermis except sometimes in fruit; sepals 4.5–7 mm; petals 10–16(–21) × 7–11(–15) mm; stamens (35–)49–64. Capsules globose to oblong-globose, 6–9.5 × 6–9.5 mm.
Life form perennial
Growth form shrub
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) 1.5 - 2.5
Mature height (meter) 1.5 - 2.5
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 4-9
Soil humidity -
Soil texture -
Soil acidity 2-8
Soil nutriment -
Hardiness (USDA) 6-10

Usage

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

Cultivation

Can be grown by cuttings.
Mode cuttings
Germination duration (days) 30 - 60
Germination temperacture (C°) 18 - 21
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -20
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Philadelphus microphyllus var. argyrocalyx world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:77094301-1
WFO ID wfo-0001280151
COL ID 5QN52
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Philadelphus argyrocalyx Philadelphus wootonii Philadelphus ellipticus Philadelphus microphyllus subsp. argyrocalyx Philadelphus serpyllifolius var. argyrocalyx Philadelphus microphyllus var. argyrocalyx