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|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Boraginaceae||View Description||Dichotomous Key|
|Genus:||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Habit: [Biennial or] perennial herb from rhizomes [taproots]; roots fleshy-fibrous and fibrous [or tuber-like]. Stem: suberect to erect, simple or branched, fleshy, or 0 and leaves from rhizomes. Leaf: simple, pinnate-[palmate-]lobed, or compound, basal or cauline, alternate, mottled white in shade; petiole widened, proximally purple, bases clasping, persistent, fleshy, juicy; leaflets toothed or lobed, hairy, generally paler abaxially, basal pair free, terminal +- united. Inflorescence: generally branched, generally head-like cymes; peduncles proximally purplish, in fruit erect or recurved; pedicels generally elongate, in fruit spreading or recurved. Flower: calyx bell-shaped, lobes generally equal, generally +- alike, linear to narrowly oblong or lanceolate, acute to obtuse, glabrous or hairy, generally ciliate, generally +- enlarging in fruit, sinus appendages 0 [present]; corolla lobed to middle, > calyx, bell-shaped, white, cream, +- green, purple, or blue, tube with linear scales at base forming channeled pollinator guide, lobes with nectary gland on midvein, hairy; stamens equal, exserted, filaments at mid-level generally hairy; ovary chamber 1, placentas parietal, style 1, exserted, glabrous, cleft < 1/4, stigmas 2, base persistent, disk proximal to ovary. Fruit: capsule, 3--5 mm, spheric; tip generally bristly, loosely enclosed by calyx. Seed: 1--4, oblong to spheric, brown or yellow- or red-brown, net-like, fleshy appendages 0. Chromosomes: 2n=18.
Species In Genus: 11 species: North America; some cultivated as ornamentals. Etymology: (Greek: water leaf) Note: Hydrophyllum capitatum var. alpinum raised to species rank, as Hydrophyllum alpestre.
eFlora Treatment Author: Genevieve K. Walden, Robert Patterson & Richard R. Halse
Jepson Online Interchange
Key to HydrophyllumPrevious taxon: Howellanthus dalesianus
Next taxon: Hydrophyllum alpestre
Citation for this treatment: Genevieve K. Walden, Robert Patterson & Richard R. Halse 2017. Hydrophyllum, Revision 2, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=9652, accessed on February 27, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 27, 2017.