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prickly hound's tongue
Scientific Name: Cynoglossum glochidiatum
Family: Boraginaceae
Category: Dicot
Growth: Forb/herb
Duration: Biennial
Other Names:
Hound's-Tongue: A Closer Look
This page provides information about several plants within the Cynoglossum genus, focusing on characteristics, distribution, and potential interactions with the environment. It is important to note that information is presented for educational purposes, and consulting with a qualified professional is always recommended for specific concerns about safety or toxicity.
Considerations for Pets
- Several Cynoglossum species produce prickly nutlets that readily cling to fur.
- Cynoglossum officinale (Common Hound's-tongue) is reported to have an unpleasant smell and contains compounds that may cause liver failure.
Considerations for Children
- Many Cynoglossum species produce prickly nutlets that readily cling to clothing.
Scientific Names and Common Names
- Accepted Scientific Names: The text mentions several Cynoglossum species, including:
- Cynoglossum officinale (Common Hound's-tongue)
- Cynoglossum glochidiatum (Prickly Hound's-tongue)
- Cynoglossum wallichii (Prickly Hound's-tongue)
- Cynoglossum australe (Australian Hound's-tongue)
- Cynoglossum occidentale (Western Hound's-tongue)
- Cynoglossum grande (Pacific Hound's-tongue)
- Cynoglossum germanicum (Green Hound's-tongue)
- Cynoglossum amabile (Chinese Hound's-tongue)
- Cynoglossum furcatum (Ceylon Hound's-tongue)
- Common Names:
- Hound's-tongue, Houndstongue, Hounds- tongue, Hound's Tongue
- Dog's Tongue
- Gypsy Flower, Gypsyflower
- Prickly Hound's Tongue
- Dog Bur
Taxonomy and Nomenclature
- Cynoglossum glochidiatum Wall. ex Benth. is mentioned with the rank of species.
- Cynoglossum wallichii var. glochidiatum (Wallich ex Benth.) Kazmi is also referenced as Prickly Hound's-tongue.
Distribution and Habitat
- Cynoglossum officinale is native to Asia and Africa.
- Some species, like blue hound's-tongue, are considered invasive.
Ecological Role
- Hound's-tongue can invade irrigated and dry pastureland and disturbed areas.
- The prickly nutlets facilitate dispersal by clinging to clothing and animal fur.
Morphological Characteristics and Growth Habits
- Cynoglossum species typically have hairy leaves and small reddish-purple flowers.
- The fruit is characterized by prickly, clinging nutlets.
- Some species, like Cynoglossum officinale, are biennials, forming a rosette in the first year and a flowering stalk in the second. The flowering bolt can reach up to 4 feet tall.
Quirky Facts
- Cynoglossum officinale, despite being visually appealing, has an unpleasant smell.
- A dead mosquito was observed attached to the glued prickly fruits of a Cynoglossum species.