|University of California, Berkeley|
|Directory News Site Map Home|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
Perennial herb to shrub, rhizomed or not. Stem: leafy or scapose. Leaf: 2–15, basal or cauline, cauline clasping or sheathing, petioled [or reduced to scales, with short branches flattened, green, appearing leaf-like]. Inflorescence: terminal or axillary, panicle or raceme. Flower: unisexual or bisexual, generally white (± pink); perianth parts 4 or 6, fused or not, erect, nodding or pendent; stamens (4)6, ± fused to perianth, anthers attached near base; ovary superior, chambers 2–3, style 1, stigma ± 3-lobed. Fruit: berry, spheric, red, orange-red, or blue-black, or capsule, papery. Seed: 1–12.
26 genera, 475 species: northern hemisphere, South Africa, northern Australia; species in several genera cultivated as ornamental, house plants. Smilacina moved to Maianthemum. —Scientific Editor: Thomas J. Rosatti.
Key to Ruscaceae
Rhizome creeping. Stem: erect, simple . Leaf: alternate, generally ± clasping, lower reduced to sheathing scales. Inflorescence: terminal, raceme to panicle. Flower: perianth parts 4 or 6 in 2 petal-like whorls, white; stamens 4 or 6; ovary superior, chambers 2–3, style 1, stigmas 2–3. Fruit: berry. Seed: 1–3.Key to Maianthemum
3 species: northern temperate. (Greek: May flower, from flowering season) [LaFrankie 2002 FNANM 26:206–210] Historically divided into 2 genera, Maianthemum, Smilacina (1. vs 1' in key); otherwise ± equal morphologically, unique chromosomally.
Unabridged references: [LaFrankie, J. V. 1986. Transfer of the species of Smilacina Desf. to Maianthemum Wiggers (Liliaceae). Taxon 35:584–589; Rudall P. J. et al. 2000. Systematics of the Ruscaceae/Convallariaceae: A combined morphological and molecular investigation. Bot. J. Linn. Soc. 134:73–92]
Rhizome 5–10 mm diam. Stem: 30–90 cm, glabrous to finely hairy above. Leaf: > 5, 7–20 cm, ovate to oblong-elliptic, acute to acuminate, glabrous to finely hairy abaxially; petioles ± 0. Inflorescence: panicle, 5–12 cm; flowers > 20. Flower: perianth parts 6, 1–2 mm, << stamens, ± erect, narrowly oblong; ovary chambers 3. Fruit: 5–7 mm, red, dotted purple. Seed: 2.5–6 mm, brown.
n=±18. Moist, open woodland, streambanks; < 2000 m. Northwestern California, Cascade Range, Sierra Nevada, Central Western California, Transverse Ranges; to Alaska, eastern North America. [Maianthemum racemosum subsp. amplexicaule (Nutt.) LaFrankie; Smilacina racemosa (L.) Desf.; Smilacina racemosa var. amplexicaulis (Nutt.) S. Watson; Smilacina racemosa var. glabra (J.F. Macbr.) H. St. John] Mar–Jul [Online Interchange]
Previous taxon: Maianthemum dilatatum
Next taxon: Maianthemum stellatum
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Nov 24 2015
Citation for this treatment: [Author of taxon treatment] 2013. Maianthemum, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=32495, accessed on Nov 24 2015
Copyright © 2014 Regents of the University of California
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.
|Geographic subdivisions indicated for the distribution of Maianthemum racemosum|| Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
READ ABOUT YELLOW FLAGS
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).
View elevation by latitude chart
| Data provided by the participants of the Consortium of California Herbaria.
View all CCH records
CCH collections by month