A – C
Achene – a small dry, hard, 1-seeded, 1-loculed indehiscent fruit
Annual – a plant completing its life cycle in one year from seed germination, production of flowers and seeds and dying
Anther – the part of the stamen that is pollen-bearing
Apical – located at the tip
Axil – the upper side of the angle between a leaf and stem
Axillary – located in or around the axil
Banner petal – the upper petal of the corolla of Fabaceae (Pea family)
Biennial – a plant that lives for two growing seasons and normally does not produce flowers during the first year
Bipinnatifid – pinnately cleft twice
Bisexual – a flower having both carpels (female) and stamens (male); perfect
Bract – a reduced leaf below a flower cluster
Bulb – an underground leaf bud with thickened scales
C2 – Taxa for which the information now in the possession of the United States Fish and Wildlife Service indicates that proposing to list them as endangered or threatened species is possibly appropriate, but for which substantial data on biological vulnerability and threat(s) are not currently known or on file to support the immediate preparation of rules.
C3 – Taxa that are no longer being considered for listing as threatened or endangered species by the United States Fish and Wildlife Service
Calyx – the sepals of the flower (outer whorl of the flowering parts)
Carpel – a simple pistil or one of the modified leaves forming a compound pistil
Catkin – an inflorescence characterized by typically unisexual, bracteate flowers without petals hanging down in a cluster
Cauline – attached on the stem
Centimeter – 0.393700787 inches
Cleft – split nearly to the midpoint
Colorado Plateau – an elevated, mildly folded and faulted physiographic province in the Four Corners region of the southwestern United States. The province covers an area of approximately 130,000 square miles (337,000 km²) within western Colorado, southeastern Utah, northwestern New Mexico, and northern Arizona. This area is drained by the Colorado River and its tributaries, the Green River, San Juan River and Little Colorado River.
Compound leaf – a leaf with two to many leaflets, each of which may look like a complete leaf, but which lacks buds
Corolla – the petals of a flower, the set of flower parts interior to the sepals and surrounding the stamens
Corm – a short, bulblike, underground vertical stem with dry papery scale leaves
Corymb – a flat-topped or rounded flower cluster composed of many small flowers with the outer flowers blooming first and having longer stalks; each flower has a stalk of varying length
Cotyledon – the leaf or leaves of the embryo of a seed
Cyathia – plural of cyanthium; involucre of fused bracts forming a cup enclosing unisexual flowers, most 5 lobed and bearing 1 to 4 glands around the margin, each gland often with a white or colored petaloid appendage 2
Cyathium – the tiny, reduced flower of Euphorbiaceae (Euphorbia family); often a single pistil with a few male flowers each having one stamen.
Cyme – a flat-topped or rounded flower cluster composed of many small flowers with the central flowers opening first
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