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prostrate marshwort
Scientific Name: Apium prostratum
Family: Apiaceae
Category: Dicot
Growth: Forb/herb
Duration: Biennial, Perennial
Other Names:
Apium prostratum - Prostrate Marshwort
Apium prostratum, commonly known as prostrate marshwort, is a perennial forb/herb belonging to the genus Apium.
Considerations for Pets
- The plant has "prostrate" growth, meaning it creeps along the ground and roots at the nodes which may make it more accessible to pets.
Considerations for Children
- Skin contact with the sap is said to cause photo-sensitivity and/or dermatitis in some individuals.
Taxonomy and Nomenclature
- Scientific Name: Apium prostratum Labill.
- Common Names: Prostrate marshwort, Sea parsley, Sea celery, Australian celery
- Kingdom: Plantae (plants)
- Taxonomic Rank: Species
- Synonyms: Mentions *Apium graveolens var. rapaceum*, *Apium nodiflorum*, and *Apium repens* in connection with marshwort.
- Family: Apiaceae (implied from mentions of umbelliferous plants in the same context)
Distribution and Habitat
- Found in Australia, New Zealand, and southern South America.
- Described as a creeping aquatic perennial plant.
Morphological Characteristics and Growth Habits
- Perennial growing to 0.6 m (2 ft).
- Characterized by its prostrate (creeping) growth habit.
- Roots at nodes along its slender stems.
- Stems can be submerged or floating.
- Submerged leaves are deeply tripinnate with a hair-like, feathery appearance.
- Upper leaves have three-lobed or pinnate narrow leaflets.
- Develops a bare stem, creating a thick crown, resembling a tree-like structure.
- Flowering stems ascend.
- Size: Medium.
- Color: Green during the summer.
Ecological Role
- Flowers are hermaphrodite (have both male and female organs).
- Pollinated by flies and self-pollination.