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Lauraceae
LAURELS
Laurel Family; Laurel

Life   Plantae   Dicotyledoneae

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Cinnamomum triplinerve, leaf bottom
© Tomas Pickering and Graham Wyatt, 2006 · 9
Cinnamomum triplinerve, leaf bottom
Ocotea whitei, leaf bottom
© Tomas Pickering and Graham Wyatt, 2006 · 9
Ocotea whitei, leaf bottom

Ocotea cernua, leaf bottom
© Tomas Pickering and Graham Wyatt, 2006 · 9
Ocotea cernua, leaf bottom
Ocotea oblonga, leaf bottom
© Tomas Pickering and Graham Wyatt, 2006 · 9
Ocotea oblonga, leaf bottom

Ocotea puberula, leaf bottom
© Tomas Pickering and Graham Wyatt, 2006 · 9
Ocotea puberula, leaf bottom
Ocotea cernua, leaf bottom
© Tomas Pickering and Graham Wyatt, 2006 · 9
Ocotea cernua, leaf bottom

Nectandra sp DL BC1, leaf bottom
© Tomas Pickering and Graham Wyatt, 2006 · 9
Nectandra sp_DL_BC1, leaf bottom
Nectandra lineata, leaf bottom
© Tomas Pickering and Graham Wyatt, 2006 · 9
Nectandra lineata, leaf bottom

Nectandra cissiflora, leaf bottom
© Tomas Pickering and Graham Wyatt, 2006 · 9
Nectandra cissiflora, leaf bottom
Nectandra purpurea, leaf bottom
© Tomas Pickering and Graham Wyatt, 2006 · 9
Nectandra purpurea, leaf bottom

Ficus popenoei, leaf bottom
© Tomas Pickering and Graham Wyatt, 2006 · 9
Ficus popenoei, leaf bottom
Ficus maxima, leaf bottom
© Tomas Pickering and Graham Wyatt, 2006 · 9
Ficus maxima, leaf bottom

Ficus pertusa, leaf bottom
© Tomas Pickering and Graham Wyatt, 2006 · 9
Ficus pertusa, leaf bottom
Ficus perforta, leaf bottom
© Tomas Pickering and Graham Wyatt, 2006 · 9
Ficus perforta, leaf bottom
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Lauraceae

The Lauraceae are nearly all woody trees and shrubs comprising 30 to 50 genera and about 2,000 species. An exception is the vining, leafless, parasitic genus Cassytha. The leaves are simple, without stipules, and usually alternate. The flowers are actinomorphic, usually bisexual, and possess a perianth of six, basally connate sepallike segments. The androecium most frequently comprises 4 whorls of 3 stamens each, although the inner whorls are often sterile. The filaments of the inner whorl usually have a pair of enlarged glandular appendages near the base. The anthers dehisce by means of commonly 4, upwardly opening flaps. The single simple pistil has a usually superior ovary with a single pendulous ovule in a solitary locule. The fruit is a berry or a drupe, often surrounded basally by the short, persistent perianth cup. Unlike other Magnoliidae, the endosperm is completely absorbed by the embryo in Lauraceae.

Each "thumbnail" image below is linked to a larger photograph.


Cinnamomum burmannii, cinnamon, padang cassia. Note the 6 perianth segments, the large yellow glands on the inner filaments, and the pale yellow anther flaps on the outer stamens.
Cinnamomum zeylanicum, cinnamon. Note the persistent perianth cup at the base of the fruit.
Umbellularia californica, California bay leaf. Note 6 perianth segments, large yellow glands on inner filaments, and conspicuous flaps on anthers.
Persea americana, avocado. Note the trimerous nature of the flowers and the conspicuous glands on the staminal filaments.
Cryptocarya mannii , Lauraceae, Holio, Hawaiian endemic.
Cassyt ha filiformis, kauna'oa pehu. This exceptional Hawaiian native member of the family is a stem parasite that survives by attaching itself to other plants. Notice the twine-like, orange stems and small round fruits. The stems are sometimes green, as seen in several of these photos. Although very small, the flowers are typical for the family, including the anthers that open by flaps.

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Updated: 2017-07-26 07:42:48 gmt
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