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    THIS PAGE IS NO LONGER UPDATED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.

OROBANCHACEAE

BROOM-RAPE FAMILY

Lawrence R. Heckard

Annual, perennial herb, non-green root-parasites; roots modified into absorptive structures; plant an erect, fleshy, mostly underground stem (peduncle) with terminal inflorescence
Leaf: true leaves 0
Inflorescence: spike, raceme, or panicle; bracts alternate, scale-like
Flower bisexual; calyx cylindric or cup-shaped, lobes 0–5, persistent; corolla ± 2-lipped, lobes generally 5; stamens 4, epipetalous in 2 pairs (sometimes a 5th vestigial); ovary superior, chamber 1, placentas generally 2–4, parietal, simple or lobed, stigma generally 2–4-lobed, generally bowl- to funnel-shaped
Fruit: capsule, loculicidal; valves 2–4
Seeds many, small, angled; surface netted
Genera in family: 14 genera, 200 species: especially n temp
Reference: [Thieret 1971 J Arnold Arbor 52:404–432]
Recent taxonomic note: Recently treated to include hemiparasitic genera of Scrophulariaceae (e.g., Castilleja, Cordylanthus, Orthocarpus, Pedicularis, Triphysaria [Olmstead et al. 2001 Mol Phylogen Evol 16:96–112]
.

BOSCHNIAKIA

GROUND-CONE

Perennial, glabrous
Stems generally simple, annual, 1–many from corm-like thickening surrounding host root
Inflorescence spike-like; bracts densely overlapping, ± ovate; pedicels generally < 2 mm; bractlets on pedicel 0–3, narrow
Flower: calyx cup-shaped, teeth 0–5 (variable on a plant), tip acute or tapered; corolla with ring of hairs in upper tube at base of stamens, upper lip entire or indented, lower lip 3-lobed; upper filament and anther hairy
Fruit 2–4-valved; placenta 1 per valve
Species in genus: 3 species: nw North America, ne Asia
Etymology: (Boschniaki, Russian botanist)
Reference: [Gilkey 1945 OR State Monogr Bot 9]

previous taxon | next taxon
bioregional map for BOSCHNIAKIA being generated
 


Retrieve Jepson Interchange Index to Plant Names entry for Boschniakia
Retrieve dichotomous key for Boschniakia
Retrieve multiple-entry key (MEKA) for Boschniakia
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