Philadelphus inodorus

Linnaeus

Sp. Pl. 1: 470. 1753.

Common names: Scentless mock orange
Endemic
Synonyms: Philadelphus floridus Beadle P. floridus var. faxonii Rehder P. gloriosus Beadle P. grandiflorus Willdenow P. inodorus var. carolinus S. Y. Hu P. inodorus var. grandiflorus (Willdenow) A. Gray P. inodorus var. laxus (Schrader ex de Candolle) S. Y. Hu P. inodorus var. strigosus Beadle P. strigosus (Beadle) Rydberg
Treatment appears in FNA Volume 12. Treatment on page 482. Mentioned on page 475.

Shrubs, 20–40 dm. Stems brown, gray, or stramineous, branched, 20–40 dm, glabrous or very sparsely strigose, especially at nodes; bark reddish, exfoliating or flaking; branches erect to arching; axillary buds hidden in pouches. Leaves: petiole 1–8 mm; blade broadly lanceolate to broadly ovate, or narrowly to broadly elliptic, (3.5–) 5–12 (–14) × (1.4–) 2–5.3 (–7) cm, herbaceous, base narrowly cuneate to rounded, margins entire or irregularly to regularly serrate, crenate, or dentate, plane, abaxial surface usually glabrous or moderately strigose, rarely moderately to densely strigose-tomentose in main vein-axils, sometimes sparsely strigose on main veins, rarely sparsely strigose on secondary and tertiary-veins as well, adaxial surface glabrous or very sparsely strigose, especially near base and margins. Inflorescences cymes or racemes, or flowers solitary, 1–3 (–9) -flowered, proximal 2 flowers sometimes in axils of nearly normal to much reduced (bracteal) leaves, if 1-flowered, with articulation between peduncle and pedicel revealing that it a 1-flowered cyme by reduction. Pedicels 3–8 mm, glabrous or slightly strigose. Flowers: hypanthium usually glabrous, rarely moderately strigose; sepals ovate or ovatelanceolate, 7–14 × 5–8 mm, apex acuminate to acute, abaxial surface usually glabrous, rarely moderately strigose, adaxial surface glabrous except densely villosulous distally; petals white, oblong, obovate, or orbiculate, 15–25 (–30) × 10–22 mm; stamens 60–90; filaments distinct, 5–11 mm; anthers 1–1.5 × 1 mm; styles 4, connate proximally, cylindric, 10–16 mm, lobes 4–8 × 0.8–1 mm; stigmatic surfaces 3–4.5 mm. Capsules obconic to obovoid, 10–13 × 7–10 mm. Seeds caudate, 2–3 mm. 2n = 26.


Phenology: Flowering Apr–May; fruiting Jun–Aug.
Habitat: Stream banks, bluffs, cliffs, rock outcrops.
Elevation: 0–1000 m.

Distribution

V12 659-distribution-map.jpg

Ont., Ala., Ark., Conn., Fla., Ga., Ill., Ind., Kans., Ky., La., Md., Mass., Mich., Miss., Mo., N.J., N.Y., N.C., Ohio, Pa., R.I., S.C., Tenn., Va., W.Va., Wis.

Discussion

The native distribution of Philadelphus inodorus was originally narrower than the current range. It is native in Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, Tennessee, Virginia, and West Virginia, whereas it is considered introduced in the remaining places listed.

Selected References

None.

Lower Taxa

None.

"dm" is not declared as a valid unit of measurement for this property."connate" is not a number. "distinct" is not a number.

... more about "Philadelphus inodorus"
strigose +, glabrous +  and strigose-tomentose +
villosulous;glabrous;strigose;glabrous +
distinct +
0.5 cm5 mm <br />0.005 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
perigynous +  and epigynous +
0.1 cm1 mm <br />0.001 m <br /> (?) +  and 0.15 cm1.5 mm <br />0.0015 m <br /> (?) +
oblong;depressed-ovate +
1 cm10 mm <br />0.01 m <br /> (?) +
acuminate +  and acute +
Alan S. Weakley +  and James Henrickson +
Linnaeus +
flaking +  and exfoliating +
narrowly cuneate +  and rounded +
12 cm120 mm <br />0.12 m <br /> (14 cm140 mm <br />0.14 m <br />) +
5.3 cm53 mm <br />0.053 m <br /> (7 cm70 mm <br />0.07 m <br />) +
5 cm50 mm <br />0.05 m <br /> (12 cm120 mm <br />0.12 m <br />) +
broadly lanceolate +  and broadly ovate or +
coriaceous;subcoriaceous;coriaceous;subcoriaceous;herbaceous +
2 cm20 mm <br />0.02 m <br /> (5.3 cm53 mm <br />0.053 m <br />) +
erect;arching +
1 cm10 mm <br />0.01 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
obconic +  and obovoid +
coriaceous +
0.7 cm7 mm <br />0.007 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Scentless mock orange +
Ont. +, Ala. +, Ark. +, Conn. +, Fla. +, Ga. +, Ill. +, Ind. +, Kans. +, Ky. +, La. +, Md. +, Mass. +, Mich. +, Miss. +, Mo. +, N.J. +, N.Y. +, N.C. +, Ohio +, Pa. +, R.I. +, S.C. +, Tenn. +, Va. +, W.Va. +  and Wis. +
0–1000 m. +
1-flowered +  and 1-3(-9)-flowered +
loculicidal +  and septicidal +
intercostal +  and interstylar +
Stream banks, bluffs, cliffs, rock outcrops. +
8-ribbed +  and 4-ribbed +
strigose +  and glabrous +
hemispheric +, obconic +  and turbinate +
axillary +  and terminal +
drought-deciduous +
reduced +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
irregularly to regularly +  and entire +
plane +, dentate +, crenate +  and serrate +
0 +  and 1/2 +
strigose +  and glabrous +
0.3 cm3 mm <br />0.003 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
perigynous +  and epigynous +
2.5 cm25 mm <br />0.025 m <br /> (3 cm30 mm <br />0.03 m <br />) +
15mm;25mm +
spreading +  and ascending +
orbiculate +, obovate +  and oblong +
1 cm10 mm <br />0.01 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Flowering Apr–May +  and fruiting Jun–Aug. +
rusty brown +
1 +  and 50 +
caudate +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
persistent +
connate +  and distinct +
reflexed +  and spreading +
glabrous +, strigose +  and villous +
ovatelanceolate +  and ovate +
enlarged +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
reddish-brown +, brown +  and grayish +
free +, connate +  and distinct +
stramineous +, gray +  and brown +
spreading;arching;spreading;arching;ascending;erect +
strigose +  and glabrous +
0.3 cm3 mm <br />0.003 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
persistent +
cylindric +
1 cm10 mm <br />0.01 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
Philadelphus floridus +, P. floridus var. faxonii +, P. gloriosus +, P. grandiflorus +, P. inodorus var. carolinus +, P. inodorus var. grandiflorus +, P. inodorus var. laxus +, P. inodorus var. strigosus +  and P. strigosus +
Philadelphus inodorus +
Philadelphus +
species +
with simple trichomes +  and glabrous +
deciduous +  and evergreen +