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Native Plant Trust: Go Botany Discover thousands of New England plants

Page 17: 350 results for involucre

  • Centaurea diffusa (white knapweed)

    ...and involucre mostly 7-12 mm wide (vs. C. diffusa, with the apical spine of involucral bracts mostly 2-3 mm long and involucre 5-5 mm wide).: Centaurea calcitrapa ...

  • Quercus cerris (European turkey oak)

    ...carpellate involucre with closely appressed scales (vs. Q. cerris, with terminal and axillary winter buds with persistent, filiform stipules and carpellate involucre with irregularly spreading scales)...

  • Quercus palustris (pin oak)

    ...an involucre). Stamen number: 9. Stalked glands on fruit (Rosa): NA. Twig...

  • Juncus conglomeratus (bunch-flowered soft rush)

    Juncus conglomeratus L.. bunch-flowered soft rush. Graminoids Remaining Graminoids Facts About: Bunch-flowered soft rush is considered introduced in New England, where it is found in...

  • Quercus muehlenbergii (chinkapin oak, yellow chestnut oak)

    ...an involucre). Stamen number: 6. Branch brittleness (willows only): NA. I...

  • Hieracium maculatum (spotted hawkweed)

    ...and involucres with few to numerous stipitate glands (vs. H. maculatum, with leaf blades with red to red-purple blotches, streaks, and/or spots and involucres with numerous stipitate glands).: ...

  • Senecio vulgaris (common ragwort)

    Senecio vulgaris L.. common ragwort. Non-Monocots Composites Facts About: Common ragwort is a Eurasian annual that has become a weed worldwide and in North America. Mammalian herbivo...

  • Cirsium altissimum (tall thistle)

    Cirsium altissimum (L.) Spreng.. tall thistle. Non-Monocots Composites Facts About: A native biennial of the United States, the natural range of tall thistle probably does not extend...

  • Cyperus grayi (Gray's flatsedge)

    Cyperus grayi Torr.. Gray's flatsedge. Graminoids Remaining Graminoids Facts About: Gray's flatsedge is a native flatsedge of sandy soils near the coast, including dunes, p...

  • Hieracium flagellare (whip hawkweed)

    ...and involucres mostly 7.5–9 mm tall (vs. H. flagellare, with the capitulescence with mostly 2–4 capitula and involucres mostly 10–13 mm tall).: Hieracium pilosella ...