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  2. Holigarna arnottiana - Wikipedia

    en.wikipedia.org/wiki/Holigarna_arnottiana

    A large tree, with finely fissured bark. White latex turning black upon contact with air. Leaves are simple, alternate, arranged spirally, clustered at twig ends. Flowers are borne in panicles, 12-24 cm long, golden yellow pubescent, in leaf axils or at branch ends. Flowers are polygamous, greenish white. Fruit is obliquely ovoid, 1-seeded. [4]

  3. Juglans nigra - Wikipedia

    en.wikipedia.org/wiki/Juglans_nigra

    Juglans nigra, the eastern American black walnut, is a species of deciduous tree in the walnut family, Juglandaceae, native to central and eastern North America, growing mostly in riparian zones. Black walnut is susceptible to thousand cankers disease , which provoked a decline of walnut trees in some regions.

  4. Autumn leaf color - Wikipedia

    en.wikipedia.org/wiki/Autumn_leaf_color

    Carotenoids are the dominant pigment in coloration of about 15–30% of tree species. [6] Autumn leaf color is a phenomenon that affects the normally green leaves of many deciduous trees and shrubs by which they take on, during a few weeks in the autumn season, various shades of yellow, orange, red, purple, and brown.

  5. Solanum nigrum - Wikipedia

    en.wikipedia.org/wiki/Solanum_nigrum

    Solanum nigrum, the European black nightshade or simply black nightshade or blackberry nightshade, [1] is a species of flowering plant in the family Solanaceae, native to Eurasia and introduced in the Americas, Australasia, and South Africa.

  6. Pittosporum tenuifolium - Wikipedia

    en.wikipedia.org/wiki/Pittosporum_tenuifolium

    Kōhūhū is a bush or small tree that grows up to around 8–10 metres tall. The trunk is slender (30–40 cm diameter) with a mottled dark grey bark color [3] that progressively turns black towards the tips of the branches [4] The leaf coverage is compact in kōhūhū; the leaves are arranged alternately on the stem [3] and the petiole is ...

  7. Daphnandra melasmena - Wikipedia

    en.wikipedia.org/wiki/Daphnandra_melasmena

    A small to medium-sized tree growing to 20 metres tall with a stem diameter of 30 cm. Daphnandra melasmena was first described by Richard Schodde in 2000, having been known previously as Daphnandra sp. D. [2] The specific epithet melasmena is derived from the Ancient Greek, referring to the leaves and stems turning black on drying. [1]

  8. Salix nigra - Wikipedia

    en.wikipedia.org/wiki/Salix_nigra

    Black canker disease is caused by the fungus Glomerella miyabeana. This disease starts as spotting on the leaves of the black willow, where it then spreads to the petiole and eventually the twig or branch holding the leaf. It then forms black patches on the stem of the tree that are capable of expanding.

  9. Cenarrhenes - Wikipedia

    en.wikipedia.org/wiki/Cenarrhenes

    The leaves are spread along the branches and have a nauseating stale-cabbage smell when crushed which helps distinguish it from Anopterus glandulosus (Escalloniaceae), which looks similar but lacks the smell and the leaves are often longer and arranged in false whorls. [9] The leaves turn black when dried. [9] [10] [11]