Prosartes lanuginosa

(Michaux) D. Don

Proc. Linn. Soc. London 1: 48. 1839.

Common names: Yellow mandarin hairy mandarin
IllustratedEndemic
Basionym: Streptopus lanuginosus Michaux Fl. Bor.-Amer. 1: 201. 1803
Synonyms: Disporum lanuginosum (Michaux) G. Nicholson
Treatment appears in FNA Volume 26. Treatment on page 143. Mentioned on page 142.

Plants 4–7.5 (–10) dm, finely pubescent. Stems sparingly branched. Leaves 5–15 × 2–5 cm; blade ovate to oblanceolate, rounded basally, adaxial surface glabrate or veins moderately pubescent, abaxial surface lanulose, densely so on veins, margins short-pubescent, hairs uniform, pointed sharply forward, apex narrowly acuminate. Flowers 1–3; perianth turbinate, narrowed basally; tepals spreading, greenish white to greenish yellow, linearlanceolate to linear-elliptic, 15–22 mm, apex long-acuminate; stamens included, 8–15 mm; filaments narrowly dilated basally, 6–12 mm; anthers 2–4 mm, glabrous; ovary narrowly ellipsoid, glabrous, ovules 2 per locule, pendulous; style stout, 8–12 mm, glabrous; stigma weakly 3-lobed. Berries bright red, 1–2 (–4) -seeded, globose, 10–15 mm, glabrous. Seeds 5–6 mm. 2n = 18.


Phenology: Flowering late spring–early summer.
Habitat: Rich moist, deciduous woods, coves
Elevation: 200–1600 m

Distribution

V26 226-distribution-map.jpg

Ont., Ala., Ark., Ga., Ky., Md., N.Y., N.C., Ohio, Pa., S.C., Tenn., Va., W.Va.

Discussion

Recent collections have extended the known range of Prosartes lanuginosa from the unglaciated Appalachians to the other ancient, eastern North American upland, the Ozark Mountains of Arkansas.

Selected References

None.

Lower Taxa

None.

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

... more about "Prosartes lanuginosa"
versatile +  and dorsifixed +
linear-oblong +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
long-acuminate +  and acuminate +
Frederick H. Utech +
(Michaux) D. Don +
whorled +, opposite +  and alternate +
dilated +
Streptopus lanuginosus +
1-2(-4)-seeded +
globose +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
reticulate-veined +  and parallel-veined +
rounded +, ovate +  and oblanceolate +
sheathing +  and involucrate +
tunicate +  and scaly +
Yellow mandarin +  and hairy mandarin +
Ont. +, Ala. +, Ark. +, Ga. +, Ky. +, Md. +, N.Y. +, N.C. +, Ohio +, Pa. +, S.C. +, Tenn. +, Va. +  and W.Va. +
200–1600 m +
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
unisexual +  and bisexual +
straw-colored;red +
indehiscent +, septicidal +  and loculicidal +
Rich moist, deciduous woods, coves +
pointed +
umbellate +, cymose +  and spicate +
paired +, paniculate +  and racemose +
subsessile +  and sessile +
persistent +
5 cm50 mm <br />0.05 m <br /> (15 cm150 mm <br />0.15 m <br />) +
2 cm20 mm <br />0.02 m <br /> (5 cm50 mm <br />0.05 m <br />) +
short-pubescent +
ellipsoid +
zygomorphic +  and actinomorphic +
narrowed;turbinate +
Flowering late spring–early summer. +
Proc. Linn. Soc. London +
wind-distributed +
light yellow +  and orangish brown +
1 +  and many +
ellipsoid +  and oblong +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Illustrated +  and Endemic +
3 +, 4 +  and 6 +
0.8 cm8 mm <br />0.008 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
1 +  and several +
exserted +  and included +
3 +  and 1 +
filiform +
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Disporum lanuginosum +
Prosartes lanuginosa +
Prosartes +
species +
greenish white;greenish yellow +
deciduous +
distinct +
gibbous +
1.5 cm15 mm <br />0.015 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
sepaloid +  and petaloid +
narrower +
caulescent +  and scapose +
3 +  and 2 +
11 +, 9 +, 8 +  and 6 +