| |
| |
Piperales |
 | | Piperaceae + Saururaceae: root epidermis from inner layer of cap; stomata tetracytic; cuticle wax crystalloids usu. |
 | | Piperaceae may be recognised vegetatively by their herbaceous habit and/or their separate vascular bundles in the stem, their swollen nodes, and their soft and/or fleshy leaves that are often cordate at the basde. |
 | | It has scattered vascular bundles scattered, spiral or opposite leaves, usually with narrow insertions on the stem and lacking stipules, the flowers have two bisporangiate/monothecal stamens, inaperturate pollen, a single carpel with a penicillate stigma, and an unitegmic (the integument is ca 2 cell layers across) tenuinucellate ovule. |
| www.mobot.org /MOBOT/research/APweb/orders/piperalesweb2.htm (2471 words) |
|