Hymenocallis latifolia

(Miller) M. Roemer

Fam. Nat. Syn. Monogr. 4: 168. 1847.

Common names: Broad-leaf spider-lily mangrove spider-lily
Endemic
Basionym: Pancratium latifolium Miller Gard. Dict. ed. 8, Pancratium no. 8. 1768
Synonyms: Hymenocallis caymanensis Herb Hymenocallis collieri Small Hymenocallis keyensis Small Hymenocallis kimballiae Small
Treatment appears in FNA Volume 26. Treatment on page 292. Mentioned on page 284, 291, 293.

Bulb nonrhizomatous, forming numerous bulblets, enlarging with age, 4–8 × 2–5 cm; basal plate 2–4 cm; neck 4–6 cm; tunic grayish brown. Leaves evergreen, numerous, arching outwards, spreading distally, 5–10 dm × 4–9 cm, coriaceous; blade broadly liguliform, gradually tapering proximally, apex subacute to acute. Scape 4–10 dm, slightly compressed, glaucous; scape bracts 2, enclosing buds, 4–7 × 1.5–2.5 cm; subtending floral bracts 4–5 cm × 10–15 mm. Flowers 9–15, opening sequentially, fragrant; perianth-tube green, 9–20 cm; tepals extending nearly horizontally, reflexed distally, white, 7.5–13 cm × 4–6 mm; corona white with small green eye, funnelform, 2–3 × 3–4 cm, margins between free portions of filaments wavy, without prominent projections; free portions of filaments inserted on flat base, slightly incurved, green except becoming white near insertion, 4–6 cm; anthers 1.2–2 cm, pollen orange; ovary ovoid, 0.9–1.6 cm × 5–10 mm, ovules 2 per locule; style green in distal 1/2, fading to white proximally, 19–23 cm. Capsules subglobose, ca. 3 × 3 cm. Seeds obovoid, 1.8–2.4 × 1.4–1.8 cm. 2n = 46, 70.


Phenology: Flowering summer.
Habitat: Coastal dunes, sand ridges, edges of hammocks and flatwoods, mangrove swamps of southern Florida peninsula and keys, rarely disjunct along coastal nw Florida and Gulf coastal states
Elevation: 0 m

Discussion

The long perianth tube in Hymenocallis latifolia contrasts sharply with the short, funnelform staminal corona. This species is a yard favorite throughout Florida.

Selected References

None.

Lower Taxa

None.

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

... more about "Hymenocallis latifolia"
cordate +  and linear +
1.2 cm12 mm <br />0.012 m <br /> (2 cm20 mm <br />0.02 m <br />) +
subacute +  and acute +
Gerald L. Smith +  and Walter S. Flory† +
(Miller) M. Roemer +
whorled +, opposite +  and alternate +
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
dilated +
Pancratium latifolium +
reticulate-veined +  and parallel-veined +
tapering +  and liguliform +
sheathing +  and involucrate +
subtending +
lanceolate;lanceolate;ovate;lanceolate;ovate;triangular +
4cm +  and 8cm +
enlarging +
2 cm20 mm <br />0.02 m <br /> (5 cm50 mm <br />0.05 m <br />) +
3 cm30 mm <br />0.03 m <br /> (?) +
subglobose +
3 cm30 mm <br />0.03 m <br /> (?) +
Broad-leaf spider-lily +  and mangrove spider-lily +
2 cm20 mm <br />0.02 m <br /> (3 cm30 mm <br />0.03 m <br />) +
3 cm30 mm <br />0.03 m <br /> (4 cm40 mm <br />0.04 m <br />) +
small green +
green except becoming white +
4 cm40 mm <br />0.04 m <br /> (6 cm60 mm <br />0.06 m <br />) +
connate-coroniform +  and dilated +
fragrant +
diverging +  and erect +
unisexual +  and bisexual +
starlike +
indehiscent +, septicidal +  and loculicidal +
subglobose +  and elongate +
Coastal dunes, sand ridges, edges of hammocks and flatwoods, mangrove swamps of southern Florida peninsula and keys, rarely disjunct along coastal nw Florida and Gulf coastal states +
bracteate +  and umbellate +
paired +, paniculate +  and racemose +
petiolate +  and sessile +
evergreen +
spreading +  and arching +
coriaceous +
4 cm40 mm <br />0.04 m <br /> (9 cm90 mm <br />0.09 m <br />) +
4 cm40 mm <br />0.04 m <br /> (6 cm60 mm <br />0.06 m <br />) +
0.9 cm9 mm <br />0.009 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
5mm;10mm +
9 cm90 mm <br />0.09 m <br /> (20 cm200 mm <br />0.2 m <br />) +
zygomorphic +  and actinomorphic +
Flowering summer. +
erect +  and incurved +
Fam. Nat. Syn. Monogr. +
4 cm40 mm <br />0.04 m <br /> (7 cm70 mm <br />0.07 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
compressed +
wind-distributed +
1.8 cm18 mm <br />0.018 m <br /> (2.4 cm24 mm <br />0.024 m <br />) +
1 +  and many +
obovoid +
1.4 cm14 mm <br />0.014 m <br /> (?) +  and 1.8 cm18 mm <br />0.018 m <br /> (?) +
staminodial +
3 +, 4 +  and 6 +
1 +  and several +
fading +  and white +
3 +  and 1 +
filiform +
19 cm190 mm <br />0.19 m <br /> (23 cm230 mm <br />0.23 m <br />) +
4 cm40 mm <br />0.04 m <br /> (5 cm50 mm <br />0.05 m <br />) +
Hymenocallis caymanensis +, Hymenocallis collieri +, Hymenocallis keyensis +  and Hymenocallis kimballiae +
Hymenocallis latifolia +
Hymenocallis +
species +
connate +  and distinct +
7.5cm;13cm +
4mm;6mm +
sepaloid +  and petaloid +
narrower +
grayish brown +
3 +  and 2 +