Ipomoea costellata |
Ipomoea tenuissima |
|
---|---|---|
crest-rib morning glory |
rockland morning-glory |
|
Habit | Annuals. | Annuals. |
Stems | usually trailing, or twining only near tips, rarely erect. |
twining. |
Leaf | blades palmatisect, lobes 5–9, lance-linear, linear, oblanceolate, or spatulate, 7–28 × 0.5–3(–8) mm, surfaces glabrous or sparsely hispidulous. |
blades usually narrowly hastate or sagittate, sometimes ovate, 15–30 × 7–20 mm, base cordate, hastate, or sagittate, lobes usually pointed, sometimes rounded, surfaces usually ± hairy, adaxial sometimes glabrate. |
Peduncles | usually glabrous, rarely sparsely hispidulous. |
hairy, hairs appressed. |
Flowers | sepals lance-oblong to lanceolate, outers 3–5 × 1–2 mm, inners 4–6 × 2–3 mm, herbaceous, apex acute, abaxial surface usually ± carinate and glabrous, sometimes hispidulous on midrib; corolla pale lavender to pink, funnelform, 10–12 mm. |
sepals lance-oblong, lanceolate, or lance-ovate, 5–8 mm, chartaceous or coriaceous, margins ciliate, apex acuminate, mucronate; corolla lavender, pink, or pink-purple, throat darker inside, funnelform, 30–45 mm. |
Ipomoea costellata |
Ipomoea tenuissima |
|
Phenology | Flowering Jul–Nov. | Flowering Aug–Sep. |
Habitat | Chaparral, oak woodlands, ponderosa pine zone, rocky sites. | Pine flatwoods. |
Elevation | 100–2200 m. (300–7200 ft.) | 0–30 m. (0–100 ft.) |
Distribution |
AZ; NM; TX; Mexico [Introduced in South America]
|
FL |
Discussion | After fires, Ipomoea tenuissima seeds germinate and seedlings thrive for about a year. The plants then disappear except in sites that remain open. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 14. | FNA vol. 14. |
Parent taxa | Convolvulaceae > Ipomoea | Convolvulaceae > Ipomoea |
Sibling taxa | ||
Synonyms | I. costellata var. edwardsensis | |
Name authority | Torrey in W. H. Emory: Rep. U.S. Mex. Bound. 2(1): 149. (1859) | Choisy in A. P. de Candolle and A. L. P. P. de Candolle: Prodr. 9: 376. (1845) |
Web links |