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Elecampane is a rather rigid herb, the stem of which attains a height of about 90–150 cm (35–59 in). The leaves are large and toothed, the lower ones stalked, the rest embracing the stem; blades egg-shaped, elliptical, or lance-shaped, as big as 30 cm (12 in) long and 12 cm (4.7 in) wide.
The flower is pollinated by bumblebees and other bees. The bulbs are an important and preferred food of the grizzly bear. Mule deer readily eat the foliage. [11] [12] [13]After hummingbirds migrate 1,500 miles each year from Mexico to the Rocky Mountains of Colorado they collect energy from the nectar of the lilies, however, rising temperatures from global warming cause the flowers to bloom ...
Erythronium includes about 20–30 species of hardy spring-flowering perennial plants with long, tooth-like bulbs.Slender stems carry pendent flowers with recurved tepals in shades of cream, yellow, pink and mauve.
Erythronium americanum does not reproduce very effectively via sexual reproduction with only 10% of pollinated flowers developing seeds. [10] The fruit is a 12 to 15 mm long capsule that is held off the ground by the flower stalk. [3] E. americanum is a myrmecochorous plant, meaning that ants help disperse the seeds and reduce seed predation.
These plants range from 46–120 centimetres (18–47 inches) in height. The flowers are usually yellow with a toothed tip, but can also be yellow-and-red bicolor or pink. [ 3 ] They have showy flower heads with involucral bracts in two distinct series of eight each, the outer being commonly connate at the base.
The flowers are bright yellow, 7–10 cm (2.8–3.9 in) across, with the typical iris form. The fruit is a dry capsule 4–7 cm (1.6–2.8 in) long, containing numerous pale brown seeds. I. pseudacorus grows best in very wet conditions, and is common in wetlands, where it tolerates submersion, low pH , and anoxic soils.
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Tecoma stans is a semi-evergreen shrub or small tree, growing up to 10 m (30 ft) tall. [1] It features opposite odd-pinnate green leaves, with 3 to 13 serrate, 8- to 10-cm-long leaflets. The leaflets, glabrous on both sides, have a lanceolate blade 2–10 cm long and 1–4 cm wide, with a long acuminate apex and a wedge-shaped base.