Philadelphus texensis S.Y.Hu

Texas mock orange (en)

Species

Angiosperms > Cornales > Hydrangeaceae > Philadelphus

Characteristics

Shrubs, 6–15 dm. Stems spreading, green to yellowish, weathering grayish and striate, divaricately branched, moderately to sparsely strigose-sericeous; internodes 1.5–5.5 cm (long shoots), 0.2–2.2 cm (lateral branches); axillary buds exposed. Leaves: petiole 2–4.5(–8) mm; blade grayish or whitish abaxially, green adaxially, usually narrowly lanceolate to lance-ovate, sometimes ovate, (1–)1.6–3.3(–4.7) × (0.4–)0.5–1.1(–2.3) cm, ± herbaceous, margins usually entire, rarely sparsely serrulate, plane, sometimes drying revolute, abaxial surface densely and loosely strigose, hairs arched-twisted, 0.3–1.2 mm, with or without understory of coiled-crisped, slender hairs between raised veins, adaxial surface sparsely to moderately strigose, hairs antrorsely appressed, 0.4–0.9 mm, 1–3 hairs per mm of width. Inflorescences: flowers solitary. Pedicels 1–2(–4) mm, loosely strigose or glabrous. Flowers: hypanthium loosely strigose or glabrous; sepals ovate to ovate-lanceolate, 2.5–5.5 × 1–2.5 mm, apex obtuse to long acuminate-caudate, abaxial surface loosely strigose or glabrous, adaxial surface glabrous except ciliate and villous along distal margins; petals white, oblong-ovate to ovate, 8–10(–14) × 3.5–5(–10.5) mm, margins entire to undulate, apex obtuse to notched; stamens (11–)14–16(–24); filaments distinct, 1–4.7 mm; style 1, clavate, 1.9–3(–3.5) mm, slender base 0.5–2 mm; stigmatic portion obovoid, 1.2–1.7 × 1.1 mm. Capsules turbinate-spheroid, 3.5–5.5 × 3.5–5 mm, sepals at distal 1/3, tardily falling, capsule distal surface smooth or impressed in 4 vertical lines. Seeds short-caudate distally, 1–1.2 mm.
Life form perennial
Growth form shrub
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.6 - 1.5
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) 6-11

Usage

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

Cultivation

Mode -
Germination duration (days) 30 - 60
Germination temperacture (C°) 18 - 21
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Philadelphus texensis world distribution map, present in Mexico and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:192859-2
WFO ID wfo-0001135582
COL ID 4G4PL
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Philadelphus texensis Philadelphus texensis var. texensis

Lower taxons

Philadelphus texensis var. ernestii