Alberta Invasive Plant Identification Guide
Alberta Invasive Plant Identification Guide
Alberta Invasive Plant Identification Guide
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
Montana State University <strong>Invasive</strong> <strong>Plant</strong> <strong>Identification</strong> <strong>Guide</strong><br />
Iris, Pale Yellow<br />
Iris pseudacorus, Iridaceae (Iris Family)<br />
Category: Prohibited Noxious<br />
Montana State University <strong>Invasive</strong> <strong>Plant</strong> <strong>Identification</strong> <strong>Guide</strong><br />
•Information: Native to Europe.<br />
•Life cycle: Perennial.<br />
•Root: Bulbs and rhizomes.<br />
•Leaves: Long, linear, dark green. Leaves emerge from ground in fanlike<br />
arrangement. Smooth edged, mostly basal leaves are flattened, sword-like<br />
with a pointed tip and raised midrib, and erect with upper part arching.<br />
•Stems: 90 -120cm tall, round to flattened.<br />
•Flower: Large pale to deep yellow flowers have three downward- and<br />
three upward-pointing petals, some with light-brown to purple veins or<br />
flecks.<br />
•Seed/Fruit: Three-angled cylindrical capsule 2-10cm long, contains many<br />
flat brown seeds.<br />
•Toxic: Horses, cattle, sheep, goats.<br />
•Control:<br />
28<br />
Montana State University <strong>Invasive</strong> <strong>Plant</strong> <strong>Identification</strong> <strong>Guide</strong><br />
Steve Hurst, USDA NRCS PLANTS Database, Bugwood.org
Change language