Jepson Flora Project: Jepson Interchange    

 
link to manual TREATMENT FROM THE JEPSON MANUAL (1993) previous taxon | next taxon
Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California

    THIS PAGE IS NO LONGER UPDATED
    AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY
  • Up-to-date information about California vascular plants is available from the Jepson eFlora.

SAXIFRAGACEAE

SAXIFRAGE FAMILY

Patrick E. Elvander

Perennial or subshrub from caudex or rhizome, generally ± hairy
Stem often ± leafy on lower half, rarely trailing and leafy throughout
Leaves generally simple, basal or sometimes cauline, generally alternate, generally petioled; veins ± palmate
Inflorescence: panicle, generally ± scapose
Flower generally bisexual, generally radial; hypanthium free to ± fused to ovary; calyx lobes generally 5; petals generally 5, free, generally clawed, generally white; stamens generally 5 or 10; pistils 2 and simple or 1 and compound (chambers 1–2, placentas 2–4, axile or parietal), ovary superior to inferior, sometimes more superior in fruit, styles generally 2
Fruit: 2 follicles or 2–4-valved capsule
Seeds generally many, small
Genera in family: 40 genera, 600 species: especially n temp, arctic, alpine; some cultivated (Bergenia , Darmera , Heuchera , Saxifraga , Tellima , Tolmiea )
Reference: [Soltis 1988 Syst Bot 13:64–72]

TIARELLA

SUGAR-SCOOP, FOAMFLOWER

Plant hairy; glands few; rhizome scaly; bulblets 0
Leaves simple or compound, basal and cauline, reduced upward; stipules minute on cauline leaves, membranous, with marginal bristles; blade ovate, base cordate, lobes 3–5, ± deep, or leaflets 3, teeth sharp
Inflorescence generally raceme-like
Flower: hypanthium minute, free of ovary; petals thread-like; stamens 10; pistil 1, ovary superior, chamber 1 below, 2 above, placentas 2, parietal
Fruit: capsule; valves 2, unequal
Species in genus: 2 species: North America, Asia
Etymology: (Greek: small tiara)
Reference: [Kern 1966 Madroño 18:152–160]

Native

T. trifoliata L.

LACE FLOWER


Leaf 2–20 cm; stipules on basal leaves < 1 cm, on cauline leaves < 1 mm; petiole > blade; blade 3–12 cm wide, teeth sharp
Inflorescence 15–40 cm; glandular hairs dense
Flower: calyx lobes 1.5–2.5 mm; petals 3–4 mm
Ecology: UNCOMMON. Moist shady banks
Elevation: < 2500 m.
Bioregional distribution: Northwestern California, n Central Coast, San Francisco Bay Area
Distribution outside California: to Alaska, Montana
Varieties intergrade.

Native

var. unifoliata (Hook.) Kurtz


Leaf generally 9–12 cm wide; lobes ± deep, teeth generally round, tips sharp
Chromosomes: 2n=14
Ecology: Habitat and range of sp
Elevation:
Bioregional distribution: Northwestern California, n Central Coast, San Francisco Bay Area
Synonyms: T. u. Hook
Horticultural information: IRR, DRN: 4, 5, 17 &SHD: 1, 2, 3, 6, 7, 14, 15, 16; GRCVR.

previous taxon | next taxon
bioregional map for TIARELLA%20trifoliata%20var.%20unifoliata being generated
 


Retrieve Jepson Interchange Index to Plant Names entry for Tiarella trifoliata var. unifoliata
Retrieve dichotomous key for Tiarella
Overlay Consortium of California Herbaria specimen data by county on this map
Show other taxa with the same California distribution | Read about bioregions | Get lists of plants in a bioregion
Return to the Jepson Interchange main page
Return to treatment index page
Glossary


University & Jepson Herbaria Home Page |
General Information | University Herbarium | Jepson Herbarium |
Visiting the Herbaria | On-line Resources | Research |
Education | Related Sites
Copyright © by the Regents of the University of California