Crinum americanum

Linnaeus

Sp. Pl. 1: 292. 1753.

IllustratedEndemic
Treatment appears in FNA Volume 26. Treatment on page 278. Mentioned on page 277.

Bulbs 3.5–6 cm diam., neck 4–6 cm. Leaves 10–15 dm × 1–4 (–7) cm; blade lorate, margins usually scabrous. Scape equaling leaves. Umbels 2–7-flowered. Flowers sessile; perianth white, salverform, tube 6–15 cm, limb lobes linear, narrowly elliptic, or oblanceolate, 5–15 × 1–1.5 cm. Capsules 2.5–4.5 × 2.5–4 cm, beak 1–8 cm.

Discussion

Varieties 2 (2 in the flora).

Selected References

None.

Key

1 Umbels 2–5-flowered. Crinum americanum var. americanum
1 Umbels 6–7-flowered Crinum americanum var. traubii

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

... more about "Crinum americanum"
versatile +  and dorsifixed +
cordate +  and linear +
columnar +  and elongate +
Walter C. Holmes +
Linnaeus +
whorled +, opposite +  and alternate +
dilated +
1 cm10 mm <br />0.01 m <br /> (8 cm80 mm <br />0.08 m <br />) +
reticulate-veined +  and parallel-veined +
sheathing +  and involucrate +
lanceolate +
tunicate +  and scaly +
3.5cm +  and 6cm +
2.5 cm25 mm <br />0.025 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
2.5 cm25 mm <br />0.025 m <br /> (4 cm40 mm <br />0.04 m <br />) +
se +  and sc United States +
connate-coroniform +  and dilated +
unisexual +  and bisexual +
indehiscent +, septicidal +  and loculicidal +
subglobose +  and globose +
membranaceous +  and leathery +
many-flowered +  and umbellate +
paired +, paniculate +  and racemose +
4 cm40 mm <br />0.04 m <br /> (7 cm70 mm <br />0.07 m <br />) +
persistent +
1 cm10 mm <br />0.01 m <br /> (4 cm40 mm <br />0.04 m <br />) +
5 cm50 mm <br />0.05 m <br /> (15 cm150 mm <br />0.15 m <br />) +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
4 cm40 mm <br />0.04 m <br /> (6 cm60 mm <br />0.06 m <br />) +
globose +
many;several +
zygomorphic +  and actinomorphic +
salverform +
wind-distributed +
1 +  and many +
Illustrated +  and Endemic +
adnate +  and free +
staminodial +
3 +, 4 +  and 6 +
1 +  and several +
3 +  and 1 +
slender +
Crinum americanum +
species +
connate +  and distinct +
sepaloid +  and petaloid +
straight;curved +
6 cm60 mm <br />0.06 m <br /> (15 cm150 mm <br />0.15 m <br />) +
narrower +
2-7-flowered +
3 +  and 2 +