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Key to CaulanthusView taxon page for Caulanthus
(For a list of species in Caulanthus, use the above link.) Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots. 1. Cauline leaves petioled or occasionally ± sessile  Without a petiole, peduncle, pedicel, or other kind of stalk. , bases not lobed or sagittate  Arrowhead-shaped, with two basal lobes oriented nearly parallel to the long axis. 2. Perennial herb with woody caudex  Generally short, sometimes woody, more or less vertical stem of a perennial, at or beneath ground level. , glabrous or sparsely hairy 3' Stem not inflated (± inflated) 4. Basal leaves not rosetted; pedicel  Stalk of an individual flower in an inflorescence, or the corresponding structure in fruit. 5–35 mm; stigma lobes  1. A major expansion or bulge, such as on the margin of a leaf, sepal, or petal, or on the surface of an ovary. 2. The free tips of otherwise fused structures, such as sepals or petals; larger than teeth. opposite  1. Arranged in pairs along an axis - e.g., two leaves per node. 2. Occurring in the same rank, directly above or below, as 'stamens opposite petals'. 3. Located directly across from. septum margins ..... C. glaucus 4' Basal leaves rosetted; pedicel 1–6 mm; stigma lobes opposite valves ..... C. major 2' Annual or biennial (short-lived perennial  Completing life cycle (germination through death) in more than two years or growing seasons, generally non-woody (at least above ground) to woody; includes perennial herbs as well as subshrubs to trees; the abbreviation 'per' only refers to perennial herb, not to the word 'perennial' alone. herb), woody caudex 0; glabrous or moderately to densely stiff-hairy proximally. 5. Sepals, petals, stamens widely spreading  Oriented more or less perpendicularly to the axis of attachment; often, more or less horizontal. ; filaments ± equal in length ..... C. anceps 5' Sepals, petals, stamens erect  Upright; vertically oriented. (sepals ascending  Curving or angling upward from base, or about 30-60 degrees less than vertical or away from axis of attachment. to spreading); filaments in 2 or 3 pairs of unequal length 6. Petals 2.5–5(6.5) mm, neither channeled nor wavy-margined, undifferentiated into blade  Expanded portion of a leaf, petal, or other structure, generally flat but sometimes rolled, cylindric, wavy, or cupped. and claw; calyx not urn-shaped  Widening more or less abruptly at the base and then gradually or abruptly narrowed toward the tip. ..... C. lasiophyllus 6' Petals (6)8–17.5 mm, channeled, generally wavy-margined, well differentiated into blade and claw; calyx generally urn-shaped 7' Petals creamy white (pink); seeds 44–96 8' Stamens in 3 pairs of unequal length; fruit 6.5–12.5 cm; seeds 78–96 ..... C. hallii 1' Cauline leaves sessile, bases lobed, sagittate, or clasping 10' Fruit cylindric  Elongate, with parallel sides and, at any point, round in transverse section. , flat parallel to septum, or 4-sided; seeds ovoid to oblong  Longer than wide, with nearly parallel sides; wider than linear. 11. Inflorescence with a terminal cluster of sterile flowers; stamens in 3 pairs of unequal length, filaments of upper or lower pairs fused 12. Fruit reflexed  Abruptly bent or curved downward or backward. (spreading); leaf  Organ arising from a stem, generally composed of a stalk (petiole) and a flat, expanded, green, photosynthetic area (blade); distinguished from a leaflet by the presence in its axil of a bud, branch, thorn, or flower; sometimes with lateral, basal appendages (stipules); either simple (toothed, lobed, or dissected but not divided into leaflets) or compound (divided into leaflets). hairs 2-rayed forked  Pertaining to a hair or other structure that branches into two parts. and simple  Composed of a single part; undivided; unbranched. ; cotyledons deeply 3-lobed; stigma lobes 0.5–1.5 mm ..... C. coulteri 12' Fruit erect to ascending; leaf hairs simple; cotyledons entire  Having margins that are continuous and smooth (i.e., without teeth, lobes, etc.). ; stigma lobes 1–4 mm ..... C. lemmonii 11' Inflorescence without a terminal cluster of sterile flowers; stamens generally 4 long, 2 short, filaments free 13' Plant hairy at least basally; stamens 4 long, 2 short; fruit reflexed (spreading) 14. Hairs 0 or appressed  Parallel or nearly parallel to and often in contact with surface of origin; used to describe the disposition of hairs, leaves, pedicels, etc. , 2-rayed; distal stem generally wavy, generally weak ..... C. cooperi 14' Hairs spreading, simple; stem straight, rigid 15' Fruit cylindric; cauline leaves ovate  Egg-shaped (i.e., widest below the middle) in two dimensions (i.e., in one plane), as a leaf. to oblong ..... C. simulans
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Citation for the whole project: Jepson Flora Project (eds.) . Jepson eFlora, https://ucjeps.berkeley.edu/eflora/ [accessed on ]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on .
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