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  2. Category:Flora of Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/Category:Flora_of_Pennsylvania

    This category contains the native flora of Pennsylvania as defined by the World Geographical Scheme for Recording Plant Distributions. Taxa of the lowest rank are ...

  3. Paulownia tomentosa - Wikipedia

    en.wikipedia.org/wiki/Paulownia_tomentosa

    Pollarded trees do not produce flowers, as these form only on mature wood. Paulownia tomentosa requires full sun for proper growth. [15] [16] It is tolerant of pollution and can tolerate many soil types. It can also grow from small cracks in pavements and walls. Paulownia can survive wildfires because the roots can regenerate new, very fast ...

  4. Echinacea purpurea - Wikipedia

    en.wikipedia.org/wiki/Echinacea_purpurea

    Echinacea purpurea, the eastern purple coneflower, [4] purple coneflower, hedgehog coneflower, or Echinacea, is a North American species of flowering plant in the family Asteraceae. [5] It is native to parts of eastern North America and present to some extent in the wild in much of the eastern , southeastern and midwestern United States , as ...

  5. These Flowering Trees Are Actually Banned in Some States - AOL

    www.aol.com/flowering-trees-actually-banned...

    A whole row of these pungent flowering trees in bloom isn’t particularly pleasant. The Bradford pear also has a major structural flaw. “The upright branching habit makes it prone to storm ...

  6. Kalmia latifolia - Wikipedia

    en.wikipedia.org/wiki/Kalmia_latifolia

    Kalmia latifolia is an evergreen shrub growing 3–9 m (9.8–29.5 ft) tall. The leaves are 3–12 cm long and 1–4 cm wide. The flowers are hexagonal, sometimes appearing to be pentagonal, ranging from light pink to white, and occur in clusters.

  7. Ulmus americana 'Princeton' - Wikipedia

    en.wikipedia.org/wiki/Ulmus_americana_'Princeton'

    The leaves are less than 16 cm long by 8 cm broad. 'Princeton' grows quickly, young trees increasing in height by over 1.6 m per annum (d.b.h. by 2.8 cm p.a.) in an assessment at U C Davis as part of the National Elm Trial. [5] The tree commences flowering aged nine years.

  8. List of U.S. state and territory flowers - Wikipedia

    en.wikipedia.org/wiki/List_of_U.S._state_and...

    Flowering dogwood (state flower) Cornus florida: 1941 [46] Carolina lily (state wildflower) Lilium michauxii: 2003 [47] [48] North Dakota: Wild prairie rose: Rosa blanda or arkansana: 1907 [49] Northern Mariana Islands: Flores mayo: Plumeria: 1979 [4] Ohio: Scarlet carnation (state flower) Dianthus caryophyllus: 1953 [50] Large white trillium ...

  9. Paulownia - Wikipedia

    en.wikipedia.org/wiki/Paulownia

    Paulownia tomentosa. Paulownia is a genus of angiosperm trees, and one of the fastest-growing trees in the world. [12] Paulownia tomentosa can grow over 30 metres (98 ft) tall and has large heart shaped leaves ranging from 10–20 centimetres (4–8 in) wide and 15–30 centimetres (6–12 in) long with a 10–20 centimetres (4–8 in)-long petiole. [13]

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