Flower, Weed
coastal tidytips
AcheneAchene:
A dry, hard, one-chambered, one-seeded indehiscent fruit, as in buckwheat (Fagopyrum) or sunflower (Helianthus). The fruit wall is not united with the seed coat.
Conical
Yellow and black
AchenesAchene:
A dry, hard, one-chambered, one-seeded indehiscent fruit, as in buckwheat (Fagopyrum) or sunflower (Helianthus). The fruit wall is not united with the seed coat. are polymorphic from hirsute, glabrousGlabrous:
Lacking hairs or pubescence.
, or scabrousScabrous:
Rough to the touch, covered with minute points of very short, stiff hairs.
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AcheneAchene:
A dry, hard, one-chambered, one-seeded indehiscent fruit, as in buckwheat (Fagopyrum) or sunflower (Helianthus). The fruit wall is not united with the seed coat. morphology dependent on flower position in the headHead:
An inflorescence of stalkless or nearly stalkless flowers attached to a common receptacle that often assumes the appearance of a single flower, but in fact may be a composite of many flowers, e.g. sunflower, clover.
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There are three distinct acheneAchene:
A dry, hard, one-chambered, one-seeded indehiscent fruit, as in buckwheat (Fagopyrum) or sunflower (Helianthus). The fruit wall is not united with the seed coat. types in a plant headHead:
An inflorescence of stalkless or nearly stalkless flowers attached to a common receptacle that often assumes the appearance of a single flower, but in fact may be a composite of many flowers, e.g. sunflower, clover..
Not listed
Not included
Asteraceae
Layia platyglossa (Fisch. & C.A. Mey.) A. Gray
Layia platyglossa (Fisch. & C.A. Mey.) A. Gray var. breviseta A. Gray
Layia platyglossa (Fisch. & C.A. Mey.) A. Gray ssp. campestris D.D. Keck
Layia ziegleri Munz
