|
|
 |
Key to EricaceaeView taxon page for Ericaceae
Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots. 1. Plant non-green; leaves 0 or scale-like 2. Ovary chamber 1 or appearing > 1 by intrusion of parietal  Pertaining to placentas on the inside surface of the ovary wall in a compound ovary with one or more chambers. placentas Structure or area to which ovules are attached in an ovary; variously shaped and positioned. ; fruit a berry; fruit axis fleshy, not long-persisting 3' Petals free; anthers elongate or not, dehiscing by separate or fused slits 4. Corolla densely hairy inside, ± glabrous outside; anthers not elongate; stigma < 5 mm wide, ± funnel-shaped  Widening from the base more or less gradually through the throat into an ascending, spreading, or recurved limb; often applied to a fused calyx or corolla. , subtended by ring of hairs ..... PITYOPUS 4' Corolla glabrous; anthers elongate; stigma 1.5–2.5 mm wide, crown-like, not subtended by hairs ..... PLEURICOSPORA 2' Ovary chambers 4–5; fruit a capsule; fruit axis fibrous  1. Pertaining to structures that are composed at least in part of more or less thread-like but usually tough elements (e.g., Yucca leaves). 2. Pertaining to a root system composed of many roots similar in length and thickness (e.g., grass roots). , generally persisting long after seed dispersal 5. Petals free; fruit dehiscing tip to base; seed fusiform  Elongate, widest at the middle, tapered to both ends. 6. Inflorescence emerging from ground erect  Upright; vertically oriented. , with red or maroon stripes; pedicel  Stalk of an individual flower in an inflorescence, or the corresponding structure in fruit. not recurved  Gradually curved downward or backward. when anthers open; sepals 0(2–4), petals 5; stamens exserted  Protruding out of surrounding structure(s) (e.g., stamens exserted from corolla). ..... ALLOTROPA 6' Inflorescence emerging from ground nodding, without red or maroon stripes; pedicel recurved to spreading  Oriented more or less perpendicularly to the axis of attachment; often, more or less horizontal. when anthers open; sepals, petals generally 5; stamens included  Not protruding out of surrounding structure(s) (e.g., stamens included in corolla). ..... MONOTROPA 5' Petals fused; fruit dehiscing base to tip or indehiscent  Not opening inherently to release contents; usually pertaining to fruits. ; seed ovate  Egg-shaped (i.e., widest below the middle) in two dimensions (i.e., in one plane), as a leaf. , winged or not 7. Plant ± pink, in age brown; inflorescence 1.5–17 dm, axis < 1.5 cm wide just below lowest flower; corolla 6–9 mm, cream to ± yellow; anthers awned; fruit dehiscing; seed winged ..... PTEROSPORA 7' Plant ± red; inflorescence generally 1.5–3 dm, axis generally > 1 cm wide just below lowest flower; corolla 12–18 mm, red; anthers unawned; fruit indehiscent; seed unwinged ..... SARCODES 1' Plant green; leaves leaf-like (except some Pyrola) 8. Plant not or ± woody; leaves 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. or cauline but on short stems, alternate  1. Arranged singly, often spirally, along an axis - e.g., one leaf per node. 2. Occurring in different ranks, appearing to be between, not directly above or below, as 'stamens alternate petals'. to whorled  Arranged in groups of three or more at nodes or positions along an axis (e.g., three leaves per node). ; petals free 9. Flowers 1 or to 10 in ± head- or umbel-like raceme  In flowering plants excluding Asteraceae, Cyperaceae, Poaceae, and some other groups, an unbranched inflorescence in which the flowers are borne on pedicels and nearly always open from the bottom to the top of the inflorescence. 2. In Asteraceae, Cyperaceae, Poaceae, and some other groups, a raceme-like inflorescence is one in which the inflorescence units (e.g., heads in Asteraceae; spikelets in Cyperaceae and Poaceae), instead of individual flowers, are stalked and attached directly to the main axis of the inflorescence, not to branches, and in which floral development may or may not proceed as in 1. ; fruit dehiscing tip to base 10. Flowers in raceme; style in depression, stout; stigma not crown-like; nectary present; leaves cauline, leathery, elliptic  In the shape of a flattened circle or ellipse; wider than linear to oblanceolate ..... CHIMAPHILA 10' Flowers 1; style not or in slight depression, slender; stigma crown-like; nectary 0; leaves ± basal, not leathery, ovate to obovate ..... MONESES 9' Flowers few–many in elongate raceme; fruit dehiscing base to tip 11. Inflorescence 1-sided, arched, in fruit ± erect; petal tubercles 2, basal, adaxial; nectary present ..... ORTHILIA 11' Inflorescence not 1-sided, ± erect; petal tubercles 0; nectary 0 ..... PYROLA 8' Plant woody; leaves cauline, alternate (opposite, whorled); petals 0, free and reduced, or generally fused, or calyx, corolla ± indistinguishable, perianth parts 3–6, ± free 12' Flowers not reduced, not wind-pollinated, bisexual  Both male and female reproductive parts occurring and functional in the same plant or structure (e.g., flower, spikelet, inflorescence). 13' Ovary 1/2-inferior or generally superior; fruit a berry, drupe, or capsule 14' Fruit not enclosed by calyx; leaves evergreen or deciduous 15. Corolla generally persistent in fruit; 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). needle-like, generally < 1 mm wide ..... ERICA 15' Corolla not persistent in fruit; leaf linear  Elongate, with nearly parallel sides; narrower than elliptic or oblong. or wider, generally not needle-like, generally > 1 mm wide 16. Fruit a drupe or berry; plants generally of low elevations, dry habitats (except Arbutus, some Arctostaphylos) 17. Leaves 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. or whorled, ± linear; fruit a drupe, stones fused, each generally 2-seeded ..... ORNITHOSTAPHYLOS 17' Leaves alternate (except some Xylococcus), wider than linear; fruit a berry or drupe, stones free or fused, each 1–few-seeded 18. Ovary, fruit smooth, not papillate  Pertaining to a surface (e.g., of a leaf, stigma, fruit) bearing small, rounded or conic protuberances (papillae). ; fruit not juicy; inflorescence generally dense 19. Leaf margin generally flat; filament swollen at base; fruit flesh generally mealy, occasionally 0, stones free to all fused ..... ARCTOSTAPHYLOS 19' Leaf margin rolled under; filament not swollen at base; fruit flesh dry, stones fused ..... XYLOCOCCUS 18' Ovary, fruit papillate; fruit ± juicy; inflorescence generally open 16' Fruit a capsule; plants generally of high elevations or moist habitats (some Rhododendron, Menziesia from low elevations, moist habitats) 21. Anthers awned or not; fruit loculicidal  Pertaining to dehiscence of a fruit (capsule) by a longitudinal line through the wall at or near the center of each chamber, such that each resulting segment corresponds to the two adjacent halves of two adjacent chambers, usually with a placenta-bearing septum centrally. 22. Leaves boat-shaped, opposite, 2–5 mm, appressed  Parallel or nearly parallel to and often in contact with surface of origin; used to describe the disposition of hairs, leaves, pedicels, etc. ; flowers 1 in upper leaf axils; anthers awns  1. Bristle-like appendage or elongation, generally terminal. 2. Stiff, needle-like pappus element in Asteraceae. elongate ..... CASSIOPE 22' Leaves not boat-shaped, alternate, 15–80 mm, spreading; flowers in racemes; anthers awns 0 or vestigial ..... LEUCOTHOE 21' Anthers unawned; fruit septicidal  Pertaining to dehiscence of a fruit (capsule) by a longitudinal line through the wall at or near the center of each septum, such that each resulting segment corresponds to a single chamber, with placentas placed variously. 23' Fruit dehiscing tip to base; petals ± fused 24. Corolla generally rotate  Wheel-shaped, spreading, or saucer-shaped; often applied to a fused corolla with a short or nonexistent tube and a spreading limb. to cup-shaped, with pockets holding anthers until dehiscence ..... KALMIA 24' Corolla generally not cup-shaped to rotate, without pockets 25. Leaf < 5 mm wide, margin strongly rolled under, abaxial surface < 1/3 visible; bud  1. An incompletely developed, more or less embryonic shoot, usually covered with bud scales. 2. An unopened flower, often protected by sepals. scales 0 ..... PHYLLODOCE 25' Leaf > 5 mm wide, margin not strongly rolled under, abaxial surface > 1/3 visible (except sometimes in bud); buds  1. An incompletely developed, more or less embryonic shoot, usually covered with bud scales. 2. An unopened flower, often protected by sepals. scales deciduous or ± persistent 26. Corolla urn-shaped  Widening more or less abruptly at the base and then gradually or abruptly narrowed toward the tip. to ± spheric, 6–7(13) mm; leaves deciduous ..... MENZIESIA 26' Corolla widely bell- to funnel-shaped, 10–50 mm; leaves deciduous or evergreen ..... RHODODENDRON (2)
Please use this Google Form for 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.
|
|
|
