| |
|
Key to DiplacusView taxon page for Diplacus
(For a list of species in Diplacus, use the above link.) Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots. 1. Rhizomatous 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 to shrub; calyx 1.7–4.5 cm; 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). edges flat to ± rolled under; main leaf axils generally with clusters of smaller leaves 2. Rhizomatous perennial herb, 1 inflorescence per stem; leaf adaxially hairy; calyx base generally swollen; corolla bright yellow; fruit splitting 4-parted at tip ..... D. clevelandii 2' Subshrub or shrub, > 1 inflorescence per stem; leaf adaxially glabrous; calyx base not swollen; corolla pale yellow to ± yellow or yellow-brown, yellow-orange, orange, or red; fruit splitting only along upper suture 3. Leaves abaxially puberulent  Minutely hairy. to densely hairy, generally paler than adaxial surface 4' Calyx tube puberulent to hairy. 5. Corolla pale yellow to cream colored, calyces 28–40 mm, abaxial leaf surface with unbranched hairs..... D. calycinus 5' . Corolla orange to pale yellow-orange or red, calyces 22–32 mm, abaxial leaf surface with stellate  Pertaining to a hair or other structure with three or more branches radiating in two or three dimensions from a common point. hairs ..... D. longiflorus 3' Leaves abaxially glabrous, not paler than adaxial surface 6. Corolla tube-throat 26–37 mm; corolla brightly dark yellow, orange, or red 7' Corolla dark orange to red 8. Leaves lance-elliptic to ovate  Egg-shaped (i.e., widest below the middle) in two dimensions (i.e., in one plane), as a leaf. or obovate, generally flat or edges ± rolled under, ChI ..... D. parviflorus 8' Leaves linear  Elongate, with nearly parallel sides; narrower than elliptic or oblong. , edges generally tightly rolled under, SW ..... D. puniceus 6' Corolla tube-throat 35–57 mm; corolla pale yellow or pale orange 9. Corolla 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. entire  Having margins that are continuous and smooth (i.e., without teeth, lobes, etc.). ; calyx tube flared distally ..... D. aridus 1' Annual (perennial herb); calyx generally < 2 cm; leaf edges ± flat; main leaf axils not with clusters of smaller leaves 11. Corolla radial  Divisible into mirror-image halves in three or more ways. , ± salverform  Having a slender tube and an abruptly spreading, flat limb; often applied to a fused corolla. , purple-brown and ± white, throat floor without longitudinal folds 12. Corolla limb ± purple-brown at base, veins << 0.5 mm wide, unpatterned, purple-brown, fading into white border ..... D. mohavensis 12' Corolla limb ± all white, veins > 0.5 mm wide, bold, intricately patterned, purple-brown ..... D. pictus 11' Corolla bilateral  Divisible into mirror-image halves in only one way. , generally not purple-brown and white, generally not salverform, throat floor generally with 2 longitudinal folds – flowers occasionally cleistogamous in some species 13. Fruit hard, generally oblique  Having unequal sides or an asymmetric base. at base, tardily dehiscent  Opening at maturity to release contents; usually pertaining to anthers or fruits. ; flower generally Mar–Apr 14. Stem < 1 cm; leaf generally ± linear, glabrous to puberulent, at least proximal 1/2 ± ciliate  Having generally straight, conspicuous hairs along margins or edges. ; vernally wet depressions, seepage areas 15' Corolla tube-throat 12–60 mm 16. Corolla tube-throat glabrous outside; lowest corolla lobe 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. magenta, base with a large, dark purple spot ..... D. angustatus 16' Corolla tube-throat puberulent outside; lowest corolla lobe golden-yellow, base with scattered, small, dark dots ..... D. pulchellus 14' Stem generally > 1 cm; leaf generally not linear, generally not ciliate, or both ciliate and hairy; vernally wet depressions or not 17. Corolla lobes with large dark spot at center of base; stigma lobes ± equal; flowers not cleistogamous 18. Corolla ± pink to white; flowers 2 per node  Position on a stem from which one or more structures (especially leaves, buds, branches, or flowers) arise. ; limestone crevices ..... D. rupicola 17' Corolla lobes not all with large dark spots; lower stigma lobe >> upper; flowers occasionally cleistogamous 20. Leaves generally ciliate at base; corolla limb 3–11 mm wide; if flowers cleistogamous then leaves ± purple abaxially 21. Corolla limb slightly spreading  Oriented more or less perpendicularly to the axis of attachment; often, more or less horizontal. ; tube-throat yellow near stamen attachment, floor and lower lip base with 2 prominent yellow folds ..... D. brandegeei 21' Corolla limb widely spreading; tube-throat not marked laterally with yellow, throat and lower lip generally without folds and rarely yellow ..... D. congdonii 20' Leaves generally hairy, not ciliate; corolla limb 10–18 mm wide; if flowers cleistogamous then leaves green abaxially 13' Fruit generally fragile, symmetric at base, generally rapidly dehiscent; flower generally Apr–Sep 23. All flower nodes Position on a stem from which one or more structures (especially leaves, buds, branches, or flowers) arise. with 1 flower or fruit, calyx generally inflated or swollen 24. Longitudinal folds of corolla throat floor densely hairy, white or yellow proximally, white distally; anthers ciliate 25. Corolla lobes dark at base, without red-purple midveins; throat ceiling hairy; limb face glabrous; lower stigma lobe 3–4 × upper ..... D. compactus 25' Corolla lobes with dark red-purple midveins; throat ceiling glabrous, limb face generally hairy; lower stigma lobe 1.5 × upper ..... D. viscidus 24' Longitudinal folds of corolla throat floor glabrous or minutely puberulent, all yellow; anthers glabrous 26' Corolla tube-throat 9–23 mm, limb 8–26 mm wide; stigma lobes ± equal 23' Most flower nodes with 2 flowers or fruits; calyx occasionally inflated 28. Stigma exserted  Protruding out of surrounding structure(s) (e.g., stamens exserted from corolla). or at end of corolla tube-throat 29. Corolla lobes evenly spread; anthers glabrous 30. Corolla throat floor white; lower stigma lobe 2–3 × upper; calyx in fruit prominently ribbed and inflated, hairy, mouth slightly oblique ..... D. bolanderi 30' Corolla throat floor yellow; stigma lobes equal; calyx in fruit not ribbed or inflated, minutely puberulent, mouth strongly oblique ..... D. johnstonii 29' Upper 2 corolla lobes divergent from lower 3; anthers ciliate 31. Tip of distal leaves sharply acuminate  Having a long-tapered, sharp tip, the sides concave. or sharp-tipped ..... D. cusickioides 31' Tip of distal leaves acute  Having a short-tapered, sharp tip, the sides convex or straight and converging at less than a right angle. to rounded 32. Leaves and calyces hairy, hairs >= 0.7 mm; corolla tube generally puberulent externally, corolla magenta, dark red-purple, or yellow ..... D. mephiticus 32' Leaves and calyces minutely puberulent, hairs <= 0.3 mm; corolla tube glabrous externally, corolla magenta or lavender-purple 28' Stigma included  Not protruding out of surrounding structure(s) (e.g., stamens included in corolla). 34' Corolla tube-throat 8–34 mm, limb 8–30 mm wide 35. Lower stigma lobe 1.5–2 × upper 36' Corolla rose-pink to magenta; tube-throat puberulent externally 37. Lower lip generally projecting forward; calyx all pale green, ribs of veins only, not inflated, lobes obtuse  Having a short-tapered, blunt tip or base, the sides convex or straight and converging at more than a right angle. ..... D. torreyi 37' Lower lip bent downward; calyx with wide, dark ribs, occasionally inflated, lobes acute to acuminate 38. Plants ± compact in habit, internodes  Segment of an axis (generally a stem) between successive positions (nodes) from which one or more structures (especially leaves, buds, branches, or flowers) arise. generally < leaves, stem and leaves with gland-tipped hairs 1.0–1.6 mm; lower corolla limb with yellow ridges ..... D. graniticola 38' Plants ± open in habit, internodes generally > leaves, stem and leaves with gland-tipped hairs 0.2–0.8 mm; lower corolla limb white with red-purple dots near throat ..... D. layneae 39. Corolla throat floor white at mouth; if corolla mostly yellow, then 3–7 longitudinal maroon-black stripes extend from throat onto lobe base; w slope of s SN, Teh, n WTR 40. Calyx not inflated, puberulent, hairs < 0.5 mm; corolla magenta or yellow; leaves all entire ..... D. bicolor 40' Calyx inflated, hairy, many hairs > 1 mm; corolla ± pink to red-purple; largest leaves round-toothed distally ..... D. constrictus 39' Corolla throat floor yellow at mouth; if corolla yellow overall, then lower lip with 6–8 ± red spots in arc around mouth; SNE, D 41. Calyx puberulent, hairs < 0.5 mm; upper calyx lobe largest, widely rounded to acute; corolla magenta or yellow ..... D. parryi 41' Calyx hairy, many hairs > 1 mm; calyx lobes ± equal, acuminate to attenuate; corolla magenta 42' Leaves 2–15(26) mm wide; calyx 6–13(15) mm; corolla tube-throat (9)12–22 mm, limb 12–24 mm wide ..... D. bigelovii 43. Distal leaf width generally < basal  At or near the base of a plant or plant part. Especially said of leaves clustered near the ground or of a placenta confined to the base of an ovary. leaves, distal longer tapered  Gradually (not abruptly) narrower or smaller at base or tip. than basal; proximal stem internodes generally >> others ..... var. bigelovii 43' Distal leaf width generally >= basal leaves, distal generally acute; stem internodes generally ± equal ..... var. cuspidatus
Contact/Feedback
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 .
We encourage links to these pages, but the content may not be downloaded for reposting, repackaging, redistributing, or sale in any form, without written permission from The Jepson Herbarium.
|
|
|
