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Electronic Flora of South Australia genus Fact Sheet

Family: Compositae
Millotia

Citation: Cass., Annls Sci. Nat. 17: 416 (1829).

Derivation: After Claude Francois Xavier Millot, 1726-1785, a French historian.

Synonymy: Not Applicable

Common name: None

Description:
Small annual herbs, tomentose with dense non-glandular hairs, sometimes also bearing short glandular hairs; stems terete, wiry: leaves cauline, alternate or the lowest ones opposite, entire, erect.

Capitula terminal, pedunculate, solitary, homogamous, discoid; involucres cylindric; bracts 6-18, uniseriate, equal, free, narrow, herbaceous with scarious margins; receptacle flat, naked, pitted; florets all tubular, bisexual, fertile, 3-5-merous, the outer ones abruptly deflexed over the top of the involucre; corolla narrowly cylindric to funnel-shaped, cream to yellow, sparsely glandular; anthers shortly ciliate-tailed at the base, with prominent acute terminal appendages; style branches linear, flattened, with conical papillose apices.

Achenes narrowly cylindric, with a straight beak, very shortly stipitate, papillose, accrescent; pappus of short bristles or scales, or absent.

Distribution:  5 species in southern Australia. (R. Schodde (1963) Trans. R. Soc. S. Aust. 87:209-241.)Key adapted from Schodde (1963).

Biology: No text

Key to Species:
1. Corolla lobes 5 (rarely 4), acute to attenuate, 0.5-0.8 mm long; anther cells 0.6-1.5 mm long
 
2. Leaves narrowly oblanceolate; florets cream
M. myosotidifolia 3.
2. Leaves narrowly linear to filiform; florets bright-yellow
M. greevesii 1.
1. Corolla lobes 3 or 4 (exceptionally 5), obtuse to subacute, 0.2-0.3 mm long; anther cells 0.3-0.4 mm long
 
3. Indumentum of woolly hairs only; achenes c. 10 mm long, the beaks exceeding the involucre; pappus of subplumose setae
M. macrocarpa 2.
3. Indumentum of woolly and straight hairs; achenes 4-6 rarely 7.5 mm long, the beaks subequal to the involucre; pappus of scales or barbellate setae
M. tenuifolia 4.

Author: Not yet available


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