Difference between revisions of "Aristolochia erecta"

Linnaeus

Sp. Pl. ed. 2, 2: 1362. 1763.

Common names: Swanflower
Illustrated
Synonyms: Aristolochia longiflora Engelmann & A. Gray
Treatment appears in FNA Volume 3.
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|basionyms=
 
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|name=Aristolochia longiflora
 
|name=Aristolochia longiflora
 
|authority=Engelmann & A. Gray
 
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|rank=species
 
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|hierarchy=Aristolochiaceae;Aristolochia;Aristolochia erecta
 
|hierarchy=Aristolochiaceae;Aristolochia;Aristolochia erecta
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name=Aristolochia erecta
 
name=Aristolochia erecta
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|publication title=Sp. Pl. ed.
 
|publication title=Sp. Pl. ed.
 
|publication year=1763
 
|publication year=1763
|special status=Selected by author to be illustrated
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|special status=Illustrated
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V3/V3_783.xml
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V3/V3_783.xml
 
|genus=Aristolochia
 
|genus=Aristolochia
 
|species=Aristolochia erecta
 
|species=Aristolochia erecta

Revision as of 22:31, 16 December 2019

Herbs, erect to sprawling, to 0.25 m. Young stem ribbed, glabrous. Leaves: petiole 0.1-0.8 cm. Leaf blade linear-lanceolate, 10-15 × 0.5-1 cm, base cuneate to attenuate, apex acuminate; surfaces abaxially glabrous to puberulent; venation palmate-pinnate. Inflorescences on new growth, axillary, solitary flowers; peduncle bracteolate, 1-4 cm; bracteoles triangular to lanceolate, to 12 mm. Flowers: calyx brown-purple, curved; utricle angled upward, ovoid to obconic, 1.5 × 0.8 cm; syrinx present, broad and shallow, 1.5 mm; tube curved upward, cylindric, 1-3 × 0.4 cm; annulus absent; limb purple, 1-lobed, lobe strap-shaped, 8 × 1 cm, papillate; gynostemium 5-lobed, cylindric, 5-10 mm; anthers 5; ovary 5-locular, 1-4 cm. Capsule ovoid, 2.5 × 1-3 cm, dehiscence basipetal; valves 5; septa entire, not attached to valves. Seeds flat, triangular, 0.5 × 0.5 cm.


Phenology: Flowering late spring–summer.
Habitat: Riverbanks, hillsides, chaparral
Elevation: to 500 m

Discussion

Selected References

None.

Lower Taxa

None.