Aristolochia coryi

I. M. Johnston

J. Arnold Arbor. 21: 256. 1940.

Common names: Cory's Dutchman's-pipe
Treatment appears in FNA Volume 3.

Herbs, procumbent, to 0.4 m. Young stem smooth, glabrous or puberulent. Leaves: petiole 1-3 cm. Leaf-blade deltate, 3-5 × 3-5 cm, base cordate, sinus depth 1-2 cm, apex acute; surfaces abaxially puberulent; venation palmate. Inflorescences on new growth, axillary, solitary flowers; peduncle bracteolate, 1-4 cm; bracteoles lanceolate, to 5 mm. Flowers: calyx yellow-green or yellowbrown, curved; utricle horizontal, ovoid to obconic, 0.8 × 0.6 cm; syrinx present, funnel-shaped, 1-2 mm; tube curved, cylindric, 1-3 × 0.3 cm; annulus absent; limb brown with purple spots, 1-lobed, lobe strap-shaped, 1.5-2 × 1.5 cm, glabrous; gynostemium 5-lobed, crown-shaped, 1-4 mm; anthers 5; ovary 5-locular, 1-4 cm. Capsule globose, 1.2 × 1-3 cm, dehiscence basipetal; valves 5; septa entire, not attached to valves. Seeds flat, triangular, 0.5 × 0.6 cm.


Phenology: Flowering late spring–summer.
Habitat: Rocky slopes, especially on limestone, occasionally river bottoms
Elevation: 0–600 m

Discussion

Selected References

None.

Lower Taxa

None.

"broad" is not a number.

... more about "Aristolochia coryi"
Kerry Barringer +  and Alan T. Whittemore +
I. M. Johnston +
red +, green +, brown +  and purple +
cordate +
not fleshy +
lanceolate +
merous +  and petaloid +
yellowbrown +  and yellow-green +
tubular +
enlarged +
1cm +  and 3cm +
Cory's Dutchman's-pipe +
fan--shaped +
Tex. +  and Mexico +
0–600 m +
indehiscent +  and loculicidal +
crown--shaped +  and 5-lobed +
0.1 cm1 mm <br />0.001 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Rocky slopes, especially on limestone, occasionally river bottoms +
3 cm30 mm <br />0.03 m <br /> (5 cm50 mm <br />0.05 m <br />) +
membranous;leathery +
petiolate +  and simple +
1.5 cm15 mm <br />0.015 m <br /> (2 cm20 mm <br />0.02 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (?) +
purple spots +
strap--shaped +  and 1-lobed +
parietal +, axile +  and placentation +
1 cm10 mm <br />0.01 m <br /> (4 cm40 mm <br />0.04 m <br />) +
1 cm10 mm <br />0.01 m <br /> (4 cm40 mm <br />0.04 m <br />) +
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Flowering late spring–summer. +
4-6-carpellate +
J. Arnold Arbor. +
0.5 cm5 mm <br />0.005 m <br /> (?) +
triangular +
0.6 cm6 mm <br />0.006 m <br /> (?) +
not attached +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
procumbent +  and twining +
puberulent;glabrous;smooth +
6 +, 5 +  and 3 +
Endodeca +, Isotrema +  and Siphisia +
funnel--shaped +
Aristolochia coryi +
Aristolochia +
species +
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
cylindric +
extended +
0.8 cm8 mm <br />0.008 m <br /> (?) +
ovoid +  and obconic +
herb +  and procumbent +
8 +, 7 +  and 6 +