# 7 C.F.R. § 201.56-11 (2026): Knotweed family, Polygonaceae

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/CFR_T7_P201_S201_56_11

## Section

- **Citation:** 7 C.F.R. § 201.56-11 (2026)
- **Heading:** Knotweed family, Polygonaceae
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Title 7 CFR: Agriculture / Chapter I: AGRICULTURAL MARKETING SERVICE (STANDARDS, INSPECTIONS, MARKETING PRACTICES), DEPARTMENT OF AGRICULTURE / Part 201: FEDERAL SEED ACT REQUIREMENTS / § 201.56-11: § 201.56-11   Knotweed family, Polygonaceae.

## Text

Kinds of seed: Buckwheat, rhubarb, and sorrel.
(a) General description.
(1) Germination habit: Epigeal dicot.
(2) Food reserves: Cotyledons, starchy endosperm.
(3) Shoot system: The hypocotyl elongates carrying the cotyledons above the soil surface. The epicotyl usually does not show any development within the test period.
(4) Root system: A primary root, with secondary roots developing within the test period for some kinds.
(b) Abnormal seedling description.
(1) Cotyledons:
(i) Less than half of the original cotyledon tissue remaining attached.
(ii) Less than half of the original cotyledon tissue free of necrosis or decay.
(2) Epicotyl:
(i) Missing. (May be assumed to be present if cotyledons are intact.)
(ii) [Reserved]
(3) Hypocotyl:
(i) Deep open cracks or grainy lesions extending into the conducting tissue.
(ii) Malformed, such as markedly shortened, curled, or thickened.
(iii) Watery.
(4) Root:
(i) None.
(ii) Weak, stubby, or missing primary root with weak secondary or adventitious roots.
(5) Seedling:
(i) One or more essential structures impaired as a result of decay from primary infection.
(ii) Albino.
[59 FR 64506, Dec. 14, 1994]

## Nearby sections

- [7 C.F.R. § 201.1 (2026) § 201.1   Meaning of words.](https://www.frixlaw.com/law-library/statutes/CFR_T7_P201_S201_1.md)
- [7 C.F.R. § 201.2 (2026) § 201.2   Terms defined.](https://www.frixlaw.com/law-library/statutes/CFR_T7_P201_S201_2.md)
- [7 C.F.R. § 201.3 (2026) § 201.3   Administrator.](https://www.frixlaw.com/law-library/statutes/CFR_T7_P201_S201_3.md)
- [7 C.F.R. § 201.4 (2026) § 201.4   Maintenance and accessibility.](https://www.frixlaw.com/law-library/statutes/CFR_T7_P201_S201_4.md)
- [7 C.F.R. § 201.5 (2026) § 201.5   Origin.](https://www.frixlaw.com/law-library/statutes/CFR_T7_P201_S201_5.md)
- [7 C.F.R. § 201.6 (2026) § 201.6   Germination.](https://www.frixlaw.com/law-library/statutes/CFR_T7_P201_S201_6.md)
- [7 C.F.R. § 201.7 (2026) § 201.7   Purity (including variety).](https://www.frixlaw.com/law-library/statutes/CFR_T7_P201_S201_7.md)
- [7 C.F.R. § 201.7a (2026) § 201.7a   Treated seed.](https://www.frixlaw.com/law-library/statutes/CFR_T7_P201_S201_7a.md)
- [7 C.F.R. § 201.8 (2026) § 201.8   Contents of the label.](https://www.frixlaw.com/law-library/statutes/CFR_T7_P201_S201_8.md)
- [7 C.F.R. § 201.9 (2026) § 201.9   Kind.](https://www.frixlaw.com/law-library/statutes/CFR_T7_P201_S201_9.md)
- [7 C.F.R. § 201.10 (2026) § 201.10   Variety.](https://www.frixlaw.com/law-library/statutes/CFR_T7_P201_S201_10.md)
- [7 C.F.R. § 201.11 (2026) § 201.11   Type.](https://www.frixlaw.com/law-library/statutes/CFR_T7_P201_S201_11.md)
- [7 C.F.R. § 201.11a (2026) § 201.11a   Hybrid.](https://www.frixlaw.com/law-library/statutes/CFR_T7_P201_S201_11a.md)
- [7 C.F.R. § 201.12 (2026) § 201.12   Name of kind and variety.](https://www.frixlaw.com/law-library/statutes/CFR_T7_P201_S201_12.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/CFR_T7_P201_S201_56_11. Check the current official text before relying on it. Not legal advice.